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Records |
Links |
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Author |
Zarenia, M.; Vasilopoulos, P.; Pourtolami, N.; Peeters, F.M. |
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Title |
Landau-level dispersion and the quantum Hall plateaus in bilayer graphene |
Type |
P1 Proceeding |
| |
Year |
2013 |
Publication |
AIP conference proceedings |
Abbreviated Journal |
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| |
Volume |
1566 |
Issue |
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Pages |
275-276 |
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Keywords |
P1 Proceeding; Condensed Matter Theory (CMT) |
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Abstract |
We study the quantum Hall effect (QHE) in bilayer graphene using the Kubo-Greenwood formula. At zero temperature the Hall conductivity sigma(yx) is given by sigma(yx) – 4(N + 1)e(2)/h with N the index of the highest occupied Landau level (LL). Including the dispersion of the LLs and their width, due to e. g. scattering by impurities, produces the plateau of the n = 0 LL in agreement with experimental results on doped samples and similar theoretical results on single-layer graphene plateaus widen with impurity concentration. Further, the evaluated resistivity rho(xx) exhibits a strong, oscillatory dependence on the electron concentration. Explicit results are obtained for delta-function impurities. |
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Publisher |
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Place of Publication |
New York |
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Language |
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Wos |
000331793000137 |
Publication Date |
2014-01-03 |
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UA library record; WoS full record |
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Notes |
; This work was supported by the Flemish Science Foundation (FWO-Vl), the European Science Foundation (project CONGRAN) and the Canadian NSERC Grant No. OGP0121756. ; |
Approved |
Most recent IF: NA |
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| |
Call Number |
UA @ lucian @ c:irua:115871 |
Serial |
1770 |
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Author |
Krstajić, P.M.; Peeters, F.M.; Helm, M. |
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| |
Title |
Landau levels and magnetopolaron effect in dilute GaAs:N |
Type |
A1 Journal article |
| |
Year |
2010 |
Publication |
Solid state communications |
Abbreviated Journal |
Solid State Commun |
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| |
Volume |
150 |
Issue |
33/34 |
Pages |
1575-1579 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Abstract |
The magnetic-field dependence of the energy spectrum of GaAs doped with nitrogen impurities is investigated. Our theoretical model is based on the phenomenological band anticrossing model (BAC) which we extended in order to include the magnetic field and electronphonon interaction. Due to the highly localized nature of the nitrogen state, we find that the energy levels are very different from those of pure GaAs. The polaron correction results in a lower cyclotron resonance energy as compared to pure GaAs. The magneto-absorption spectrum exhibits series of asymmetric peaks close to the cyclotron energy ħωc. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
New York, N.Y. |
Editor |
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Language |
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Wos |
000280949900019 |
Publication Date |
2010-06-05 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0038-1098; |
ISBN |
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Additional Links |
UA library record; WoS full record |
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Impact Factor |
1.554 |
Times cited |
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Open Access |
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Notes |
; This work is supported by the Flemish Science Foundation (FWO-VI), and the Interuniversity Attraction Poles Program (IAP)-Belgian State Science Policy. M.H. is grateful to O. Drachenko and H. Schneider for numerous discussions. ; |
Approved |
Most recent IF: 1.554; 2010 IF: 1.981 |
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Call Number |
UA @ lucian @ c:irua:84580 |
Serial |
1771 |
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Author |
Devreese, J.T.; Verbist, G.; Peeters, F.M. |
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Title |
Large bipolarons and high-Tc materials |
Type |
H3 Book chapter |
| |
Year |
1995 |
Publication |
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Abbreviated Journal |
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| |
Volume |
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Issue |
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Pages |
385-391 |
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Keywords |
H3 Book chapter; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems |
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Abstract |
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Address |
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Publisher |
Cambridge University Press |
Place of Publication |
Cambridge |
Editor |
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Language |
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Wos |
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Publication Date |
0000-00-00 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
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ISBN |
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Additional Links |
UA library record |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ lucian @ c:irua:11700 |
Serial |
1778 |
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| Permanent link to this record |
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Author |
Brosens, F.; Fomin, V.M.; Lemmens, L.; Peeters, F.M. |
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| |
Title |
Liber amicorum in honour of Jozef T. Devreese |
Type |
ME3 Book as editor |
| |
Year |
2003 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
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Keywords |
ME3 Book as editor; Theory of quantum systems and complex systems; Condensed Matter Theory (CMT) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
Wiley |
Place of Publication |
Weinheim |
Editor |
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Language |
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Wos |
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Publication Date |
0000-00-00 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
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ISBN |
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Additional Links |
UA library record; WoS full record; |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
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Call Number |
UA @ lucian @ c:irua:43416 |
Serial |
1817 |
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Author |
Freire, J.A.K.; Peeters, F.M.; Matulis, A.; Freire, V.N.; Farias, G.A. |
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Title |
Magnetic traps for excitons in GaAs/AlxGa1-xAs quantum wells |
Type |
P1 Proceeding |
| |
Year |
2001 |
Publication |
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Abbreviated Journal |
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| |
Volume |
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Issue |
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Pages |
503-504 |
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Keywords |
P1 Proceeding; Condensed Matter Theory (CMT) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
Springer |
Place of Publication |
Berlin |
Editor |
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Language |
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Wos |
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Publication Date |
0000-00-00 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
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ISBN |
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Additional Links |
UA library record; WoS full record; |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
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| |
Call Number |
UA @ lucian @ c:irua:37299 |
Serial |
1890 |
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| Permanent link to this record |
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Author |
Janssens, K.L.; Partoens, B.; Peeters, F.M. |
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Title |
Magneto-exciton in single and coupled type II quantum dots |
Type |
A1 Journal article |
| |
Year |
2002 |
Publication |
Physica status solidi: A: applied research |
Abbreviated Journal |
Phys Status Solidi A |
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Volume |
190 |
Issue |
2 |
Pages |
571-576 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Abstract |
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Address |
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Publisher |
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Place of Publication |
Berlin |
Editor |
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Language |
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Wos |
000175623200048 |
Publication Date |
2002-08-25 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0031-8965;1521-396X; |
ISBN |
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Additional Links |
UA library record; WoS full record |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
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Call Number |
UA @ lucian @ c:irua:62426 |
Serial |
1899 |
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| Permanent link to this record |
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Author |
Peeters, F.M.; Wu, X.G.; Devreese, J.T. |
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Title |
Magneto-phonon resonances in the resistance and the optical absorption spectrum of heterostructures |
Type |
A1 Journal article |
| |
Year |
1991 |
Publication |
Physica scripta |
Abbreviated Journal |
Phys Scripta |
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| |
Volume |
T39 |
Issue |
|
Pages |
302-307 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
Stockholm |
Editor |
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Language |
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Wos |
A1991GV57300047 |
Publication Date |
2007-01-26 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
|
Edition |
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ISSN |
0031-8949;1402-4896; |
ISBN |
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Additional Links |
UA library record; WoS full record |
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Impact Factor |
1.126 |
Times cited |
|
Open Access |
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| |
Notes |
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Approved |
no |
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Call Number |
UA @ lucian @ c:irua:940 |
Serial |
1907 |
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| Permanent link to this record |
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Author |
Vasilopoulos, P.; Wang, X.F.; Peeters, F.M.; Chowdhury, S.; Long, A.R.; Davies, J.H. |
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Title |
Magneto resistance oscillations in a modulated 2DEG periodic in the ratio h/e to flux per unit cell |
Type |
A1 Journal article |
| |
Year |
2004 |
Publication |
Physica. E: Low-dimensional systems and nanostructures
T2 – 15th International Conference on Electronic Properties of, Two-Dimensional Systems (EP2DS-15), JUL 14-18, 2003, Nara, JAPAN |
Abbreviated Journal |
Physica E |
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Volume |
22 |
Issue |
1-3 |
Pages |
389-393 |
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Keywords |
A1 Journal article; Engineering sciences. Technology; Condensed Matter Theory (CMT) |
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Abstract |
Transport properties of the 2DEG are studied in the presence of a normal magnetic field B and of a weak, two-dimensional periodic potential modulation. A tight-binding treatment has shown that each Landau level splits into several subbands with exponentially small gaps between them. Assuming the latter are closed due to disorder gives analytical wave functions and simplifies the evaluation of the magnetoresistance tensor p(muv) The relative phase of the oscillations in p(xx) and p(yy) depends on the modulation strengths and periods. For short periods less than or equal to 100 nm, in addition to the Weiss oscillations, the collisional contribution to the conductivity and the corresponding resistivity contribution show prominent peaks when one flux quantum h/e passes through an integral number of unit cells in good agreement with experiments. For periods 300-400 nm long used in early experiments, these peaks occur at fields 10-25 times smaller than those of the Weiss oscillations and are not resolved. (C) 2003 Elsevier B.V. All rights reserved. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
North-Holland |
Place of Publication |
Amsterdam |
Editor |
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Language |
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Wos |
000221140800094 |
Publication Date |
2004-02-10 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
1386-9477; |
ISBN |
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Additional Links |
UA library record; WoS full record |
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Impact Factor |
2.221 |
Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: 2.221; 2004 IF: 0.898 |
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Call Number |
UA @ lucian @ c:irua:104107 |
Serial |
1911 |
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Author |
Veljkovic, D.; Tadić, M.; Peeters, F.M. |
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Title |
Magnetoexcitons in type-II self-assembled quantum dots and quantum-dot superlattices |
Type |
A1 Journal article |
| |
Year |
2006 |
Publication |
Recent developments in advanced materials and processes |
Abbreviated Journal |
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Volume |
518 |
Issue |
|
Pages |
51-56 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
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Publication Date |
0000-00-00 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
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ISBN |
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Additional Links |
UA library record; WoS full record; |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
|
Approved |
Most recent IF: NA |
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| |
Call Number |
UA @ lucian @ c:irua:60841 |
Serial |
1918 |
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| Permanent link to this record |
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Author |
Partoens, B.; Matulis, A.; Peeters, F.M. |
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Title |
Magnetoplasma excitations in vertically coupled quantum dot systems |
Type |
A1 Journal article |
| |
Year |
1999 |
Publication |
Materials science forum |
Abbreviated Journal |
Mater Sci Forum |
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| |
Volume |
297/298 |
Issue |
|
Pages |
225-228 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
|
Place of Publication |
Lausanne |
Editor |
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Language |
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Wos |
000080081600043 |
Publication Date |
0000-00-00 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
|
Series Issue |
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Edition |
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ISSN |
0255-5476; 1662-9752 |
ISBN |
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Additional Links |
UA library record; WoS full record; |
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Impact Factor |
|
Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
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| |
Call Number |
UA @ lucian @ c:irua:24176 |
Serial |
1920 |
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| Permanent link to this record |
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Author |
Michel, K.H.; Verberck, B.; Nikolaev, A. |
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Title |
Mercator maps of orientations of a C60 molecule in single-walled nanotubes with distinct radii |
Type |
A1 Journal article |
| |
Year |
2005 |
Publication |
AIP conference proceedings |
Abbreviated Journal |
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| |
Volume |
786 |
Issue |
|
Pages |
69-72 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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| |
Abstract |
We study the confinement of a C-60 molecule encapsulated in a cylindrical nanotube as a function of the tube radius. Drawing the Mercator maps of the potential, we find two distinct molecular orientations; for tubes with small radii, R-T less than or similar to 7 angstrom, a fivefold axis of the molecule coincides with the tube long axis, for larger radii, R-T less than or similar to 8 angstrom, a threefold axis of the molecule coincides with the tube long axis. These different orientations are caused by the relative importance of the repulsive and the attractive parts of the van der Waals potentials of the molecule with the tube wall for small and large tubes respectively. Experimental evidence is provided by the apparent splitting of A(g) modes of the C-60 molecule in resonant Raman scattering. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
Amer inst physics |
Place of Publication |
Melville |
Editor |
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Language |
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Wos |
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Publication Date |
0000-00-00 |
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Series Editor |
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Series Title |
|
Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0094-243x |
ISBN |
|
Additional Links |
UA library record; WoS full record; |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
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| |
Call Number |
UA @ lucian @ c:irua:94738 |
Serial |
1993 |
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| Permanent link to this record |
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Author |
Ivanov, V.A.; Betouras, J.J.; Peeters, F.M. |
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Title |
MgB2 : superconductivity and pressure effects |
Type |
P1 Proceeding |
| |
Year |
2003 |
Publication |
|
Abbreviated Journal |
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| |
Volume |
|
Issue |
|
Pages |
35-46 |
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Keywords |
P1 Proceeding; Condensed Matter Theory (CMT) |
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Abstract |
We present a Ginzburg-Landau theory for a two-band superconductor with emphasis on MgB2. We propose experiments which lead to identification of the possible scenarios: whether both sigma- and pi-bands superconduct or sigma-alone. According to the second scenario a microscopic theory of superconducting MgB2 is proposed based on the strongly interacting or-electrons and non-correlated pi-electrons of boron ions. The kinematic and Coulomb interactions of sigma-electrons provide the superconducting state with an anisotropic gap of s(*)-wave symmetry. The critical temperature T-c has a non-monotonic dependence on the distance r between the centers of gravity of sigma- and pi-bands. The position of MgB2 on a bell-shaped curve T-c (r) is identified in the overdoped region. The derived superconducting density of electronic states is in agreement with available experimental and theoretical data. It is argued that the effects of pressure are crucial to identify the microscopic origin of superconductivity in MgB2. Possibilities for increase of T, are discussed. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
Springer |
Place of Publication |
Dordrecht |
Editor |
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Language |
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Wos |
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Publication Date |
0000-00-00 |
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Series Editor |
|
Series Title |
|
Abbreviated Series Title |
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Series Volume |
106 |
Series Issue |
|
Edition |
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| |
ISSN |
1-4020-1372-8 |
ISBN |
|
Additional Links |
UA library record; WoS full record; |
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Impact Factor |
|
Times cited |
|
Open Access |
|
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| |
Notes |
|
Approved |
Most recent IF: NA |
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| |
Call Number |
UA @ lucian @ c:irua:94869 |
Serial |
2020 |
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| Permanent link to this record |
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Author |
Hao, Y.L.; Peeters, F.M. |
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| |
Title |
Micro-Hall bar as a sensor to detect the interaction of nanoscale ferromagnetic disks and columns |
Type |
A1 Journal article |
| |
Year |
2007 |
Publication |
Journal of applied physics |
Abbreviated Journal |
J Appl Phys |
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| |
Volume |
101 |
Issue |
12 |
Pages |
123718,1-4 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
American Institute of Physics |
Place of Publication |
New York, N.Y. |
Editor |
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Language |
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Wos |
000247625700078 |
Publication Date |
2007-07-05 |
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| |
Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
|
Series Issue |
|
Edition |
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| |
ISSN |
0021-8979; |
ISBN |
|
Additional Links |
UA library record; WoS full record |
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| |
Impact Factor |
2.068 |
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
Most recent IF: 2.068; 2007 IF: 2.171 |
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| |
Call Number |
UA @ lucian @ c:irua:69646 |
Serial |
2022 |
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| Permanent link to this record |
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| |
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Author |
Lamoen, D.; Michel, K.H. |
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| |
Title |
Molecular structure, crystal field and orientational order in solid C60 |
Type |
H1 Book chapter |
| |
Year |
1994 |
Publication |
|
Abbreviated Journal |
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| |
Volume |
|
Issue |
|
Pages |
183-202 |
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| |
Keywords |
H1 Book chapter; Condensed Matter Theory (CMT) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
s.l. |
Editor |
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Language |
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Wos |
A1994BE86T00011 |
Publication Date |
0000-00-00 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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| |
Series Volume |
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Series Issue |
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Edition |
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|
| |
ISSN |
|
ISBN |
0-7923-3109-5 |
Additional Links |
UA library record; WoS full record; |
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| |
Impact Factor |
|
Times cited |
|
Open Access |
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| |
Notes |
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Approved |
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| |
Call Number |
UA @ lucian @ c:irua:9355 |
Serial |
2186 |
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| Permanent link to this record |
| |
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| |
|
Author |
Nikolaev, A.V.; Michel, K.H. |
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| |
Title |
Molecular terms and optical transitions of C60n+/- molecular ions |
Type |
P1 Proceeding |
| |
Year |
2002 |
Publication |
AIP conference proceedings
T2 – 16th International Winterschool on Electronic Properties of Novel, Materials, MAR 02-09, 2002, KIRCHBERG, AUSTRIA |
Abbreviated Journal |
|
|
| |
Volume |
|
Issue |
|
Pages |
417-420 |
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| |
Keywords |
P1 Proceeding; Condensed Matter Theory (CMT) |
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| |
Abstract |
We have studied the molecular energy terms of the hole configurations (h(u)(+))(m), m=2,3,4,5 of C-60(m+) cations and the electronic configurations (t(1u))(n) n=2,3,4, as well as (t(1u))(n-1)t(1g) of the C-60(n-) anions. The lowest terms (within an energy span of 0.03 eV) for C-60(2+) are three triplets T-3(1g), (3)G(g), T-3(2g) and for C-60(3+) are three quartets T-4(1u), (4)G(u), T-4(2u), which favor Jahn-Teller distortions. For the ground state of C-60(2-) we find a triplet T-3(1g) in agreement with Hund's rules. Our method takes into account intramolecular direct and exchange multipolar Coulomb interactions. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
New York |
Editor |
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| |
Language |
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Wos |
|
Publication Date |
0000-00-00 |
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| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
633 |
Series Issue |
|
Edition |
|
|
| |
ISSN |
0-7354-0088-1 |
ISBN |
|
Additional Links |
UA library record; WoS full record; |
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| |
Impact Factor |
|
Times cited |
|
Open Access |
|
|
| |
Notes |
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Approved |
Most recent IF: NA |
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| |
Call Number |
UA @ lucian @ c:irua:103905 |
Serial |
2187 |
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| Permanent link to this record |
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| |
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Author |
Janssens, K.L.; Peeters, F.M. |
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| |
Title |
Monte-Carlo simulation of the coherent backscattering of electrons in a ballistic system |
Type |
A1 Journal article |
| |
Year |
1999 |
Publication |
Superlattices and microstructures |
Abbreviated Journal |
Superlattice Microst |
|
| |
Volume |
25 |
Issue |
|
Pages |
615-621 |
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| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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| |
Abstract |
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| |
Address |
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| |
Corporate Author |
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Thesis |
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| |
Publisher |
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Place of Publication |
London |
Editor |
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| |
Language |
|
Wos |
000080373600007 |
Publication Date |
2002-10-07 |
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| |
Series Editor |
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Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0749-6036; |
ISBN |
|
Additional Links |
UA library record; WoS full record |
|
| |
Impact Factor |
2.123 |
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
Most recent IF: 2.123; 1999 IF: 0.649 |
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| |
Call Number |
UA @ lucian @ c:irua:24169 |
Serial |
2199 |
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| Permanent link to this record |
| |
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| |
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Author |
Copley, J.R.D.; Michel, K.H. |
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| |
Title |
Multiple orientational order parameters in solid C60 |
Type |
A1 Journal article |
| |
Year |
1997 |
Publication |
Physica: B : condensed matter
T2 – International Conference on Neutron Scattering, AUG 17-21, 1997, TORONTO, CANADA |
Abbreviated Journal |
Physica B |
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| |
Volume |
241 |
Issue |
|
Pages |
454-455 |
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| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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| |
Abstract |
The transition Fm (3) over bar m -->Pa (3) over bar in solid C-60 is driven by the condensation of orientational modes belonging to X-5(+) irreducible representations (irreps) of Fm (3) over bar m. Taking into account irreps up to the manifold l = 12, we have studied the primary and secondary orientational order parameters loops). We have numerically solved the coupled molecular field equations for these oops and calculated the temperature dependence of Bragg reflection intensities. (C) 1998 Elsevier Science B.V. All rights reserved. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
Amsterdam |
Editor |
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| |
Language |
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Wos |
000074062600130 |
Publication Date |
2002-07-25 |
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| |
Series Editor |
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Series Title |
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Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0921-4526; |
ISBN |
|
Additional Links |
UA library record; WoS full record |
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| |
Impact Factor |
1.386 |
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
Most recent IF: 1.386; 1997 IF: 0.991 |
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| |
Call Number |
UA @ lucian @ c:irua:104360 |
Serial |
2228 |
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| Permanent link to this record |
| |
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| |
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Author |
Baelus, B.J.; Peeters, F.M. |
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| |
Title |
Multiply connected mesoscopic superconductors |
Type |
A1 Journal article |
| |
Year |
2003 |
Publication |
Modern physics letters B
T2 – 3rd International Conference on Modern Problems in Superconductivity, SEP 09-14, 2002, YALTA, UKRAINE |
Abbreviated Journal |
Mod Phys Lett B |
|
| |
Volume |
17 |
Issue |
10-12 |
Pages |
527-536 |
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| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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| |
Abstract |
Multiply connected mesoscopic: superconductors are considered within the framework of the nonlinear Ginzburg-Landau theory. The two coupled nonlinear equations are solved numerically and we investigated the properties of a superconducting ring, two concentric rings, and an asymmetric ring. We find that (i) for a mesoscopic superconducting ring the flux through the hole is not quantized, (ii) two concentric mesoscopic superconducting rings are magnetically coupled and the interaction energy increases with increasing sample thickness, and (iii) in asymmetric rings, a stationary phase slip state is predicted. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
World scientific publ co pte ltd |
Place of Publication |
Singapore |
Editor |
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| |
Language |
|
Wos |
000184303900016 |
Publication Date |
2003-07-23 |
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| |
Series Editor |
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Series Title |
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Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
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| |
ISSN |
0217-9849;1793-6640; |
ISBN |
|
Additional Links |
UA library record; WoS full record |
|
| |
Impact Factor |
0.617 |
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
Most recent IF: 0.617; 2003 IF: 0.461 |
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| |
Call Number |
UA @ lucian @ c:irua:103810 |
Serial |
2236 |
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| Permanent link to this record |
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| |
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Author |
Lujan, G.S.; Magnus, W.; Soree, B.; Pourghaderi, M.A.; Veloso, A.; van Dal, M.J.H.; Lauwers, A.; Kubicek, S.; De Gendt, S.; Heyns, M.; De Meyer, K.; |
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| |
Title |
A new method to calculate leakage current and its applications for sub-45nm MOSFETs |
Type |
H1 Book chapter |
| |
Year |
2005 |
Publication |
Solid-State Device Research (ESSDERC), European Conference
T2 – ESSDERC 2005 : proceedings of 35th European Solid-State Device Research Conference, September 12-16, 2005, Grenoble, France |
Abbreviated Journal |
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| |
Volume |
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Issue |
|
Pages |
489-492 |
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| |
Keywords |
H1 Book chapter; Condensed Matter Theory (CMT) |
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| |
Abstract |
This paper proposes a new quantum mechanical model for the calculation of leakage currents. The model incorporates both variational calculus and the transfer matrix method to compute the subband energies and the life times of the inversion layer states. The use of variational calculus simplifies the subband energy calculation due to the analytical firm of the wave functions, which offers an attractive perspective towards the calculation of the electron mobility in the channel. The model can be extended to high-k dielectrics with several layers. Good agreement between experimental data and simulation results is obtained for metal gate capacitors. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
Ieee |
Place of Publication |
S.l. |
Editor |
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| |
Language |
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Wos |
000236176200114 |
Publication Date |
2005-12-13 |
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| |
Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
|
Series Issue |
|
Edition |
|
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| |
ISSN |
|
ISBN |
0-7803-9203-5 |
Additional Links |
UA library record; WoS full record |
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| |
Impact Factor |
|
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
Most recent IF: NA |
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| |
Call Number |
UA @ lucian @ c:irua:103691 |
Serial |
2323 |
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| Permanent link to this record |
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| |
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Author |
Carrillo-Nuñez, H.; Magnus, W.; Peeters, F.M. |
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| |
Title |
A non-linear variational principle for the self-consistent solution of Poisson's equation and a transport equation in the local density approximation |
Type |
P1 Proceeding |
| |
Year |
2010 |
Publication |
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Abbreviated Journal |
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| |
Volume |
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Issue |
|
Pages |
171-174 |
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Keywords |
P1 Proceeding; Condensed Matter Theory (CMT) |
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Abstract |
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| |
Address |
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Corporate Author |
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Thesis |
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Publisher |
Ieee |
Place of Publication |
New York, N.Y. |
Editor |
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| |
Language |
|
Wos |
|
Publication Date |
0000-00-00 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
|
Series Issue |
|
Edition |
|
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| |
ISSN |
978-1-4244-7699-2 |
ISBN |
|
Additional Links |
UA library record; WoS full record; |
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| |
Impact Factor |
|
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
Most recent IF: NA |
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| |
Call Number |
UA @ lucian @ c:irua:85824 |
Serial |
2347 |
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| Permanent link to this record |
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| |
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Author |
Vasylenko, A.A.; Misko, V.R. |
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| |
Title |
Nonlinear transport of the Wigner crystal in symmetric and asymmetric FET-like structures : nonlinear transport of the Wigner crystal on superfluid He-4 in quasi-one-dimensional channels with symmetric and asymmetric constrictions |
Type |
A1 Journal article |
| |
Year |
2015 |
Publication |
European physical journal : B : condensed matter and complex systems |
Abbreviated Journal |
Eur Phys J B |
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| |
Volume |
88 |
Issue |
88 |
Pages |
105 |
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| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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| |
Abstract |
When floating on a two-dimensional surface of superfluid He-4, electrons arrange themselves in two-dimensional crystalline structure known as Wigner crystal. In channels, the boundaries interfere the crystalline order and in case of very narrow channels one observes a quasi-one-dimensional (quasi-1D) Wigner crystal formed by just a few rows of electrons and, ultimately, one row in the “quantum wire” regime. Recently, the “quantum wire” regime was accessed experimentally [D.G. Rees, H. Totsuji, K. Kono, Phys. Rev. Lett. 108, 176801 (2012)] resulting in unusual transport phenomena such as, e.g., oscillations in the electron conductance. Using molecular dynamics simulations, we study the nonlinear transport of electrons in channels with various types of constrictions: single and multiple symmetric and asymmetric geometrical constrictions with varying width and length, and saddle-point-type potentials with varying gate voltage. In particular, we analyze the average particle velocity of the particles and the corresponding electron current versus the driving force or the gate voltage. We have revealed a significant difference in the dynamics for long and short constrictions: The oscillations of the average velocity of the particles for the systems with short constrictions exhibit a clear correlation with the transitions between the states with different numbers of rows of particles; on the other hand, for the systems with longer constrictions these oscillations are suppressed. The obtained results qualitatively agree with the experimental observations. Next, we propose a FET-like structure that consists of a channel with asymmetric constrictions. We show that applying a transverse bias results either in increase of the average particle velocity or in its suppression thus allowing a flexible control tool over the electron transport. The advantage of the asymmetric FET is that it does not have a gate and it allows an easy control of relatively large electron flow. Furthermore, the asymmetric device can be used for rectification of an ac-driven electron flow. Our results bring important insights into the dynamics of electrons floating on the surface of superfluid He-4 in channels with constrictions and allow the effective control over the electron transport. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
Berlin |
Editor |
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| |
Language |
|
Wos |
000353065100002 |
Publication Date |
2015-04-16 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
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| |
ISSN |
1434-6028;1434-6036; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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| |
Impact Factor |
1.461 |
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
Most recent IF: 1.461; 2015 IF: 1.345 |
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| |
Call Number |
c:irua:125997 |
Serial |
2359 |
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| Permanent link to this record |
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Author |
Berdiyorov, G.R.; Milošević, M.V.; Peeters, F.M. |
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| |
Title |
Novel commensurability effects in superconducting films with antidot arrays |
Type |
A1 Journal article |
| |
Year |
2006 |
Publication |
Physical review letters |
Abbreviated Journal |
Phys Rev Lett |
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| |
Volume |
96 |
Issue |
|
Pages |
1-4 |
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| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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| |
Abstract |
http://dx.doi.org/doi:10.1103/PhysRevLett.96.207001 |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
New York, N.Y. |
Editor |
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Language |
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Wos |
|
Publication Date |
0000-00-00 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
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| |
ISSN |
0031-9007 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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| |
Impact Factor |
8.462 |
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
Most recent IF: 8.462; 2006 IF: 7.072 |
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| |
Call Number |
UA @ lucian @ c:irua:58360 |
Serial |
2372 |
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| Permanent link to this record |
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| |
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Author |
Sorée, B.; Magnus, W.; Szepieniec, M.; Vandenbreghe, W.; Verhulst, A.; Pourtois, G.; Groeseneken, G.; de Gendt, S.; Heyns, M. |
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| |
Title |
Novel device concepts for nanotechnology : the nanowire pinch-off FET and graphene tunnelFET |
Type |
A2 Journal article |
| |
Year |
2010 |
Publication |
ECS transactions |
Abbreviated Journal |
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| |
Volume |
28 |
Issue |
|
Pages |
15-26 |
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| |
Keywords |
A2 Journal article; Condensed Matter Theory (CMT); Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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| |
Abstract |
We explain the basic operation of a nanowire pinch-off FET and graphene nanoribbon tunnelFET. For the nanowire pinch-off FET we construct an analytical model to obtain the threshold voltage as a function of radius and doping density. We use the gradual channel approximation to calculate the current-voltage characteristics of this device and we show that the nanowire pinch-off FET has a subthreshold slope of 60 mV/dec and good ION and ION/IOFF ratios. For the graphene nanoribbon tunnelFET we show that an improved analytical model yields more realistic results for the transmission probability and hence the tunneling current. The first simulation results for the graphene nanoribbon tunnelFET show promising subthreshold slopes. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
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Publication Date |
0000-00-00 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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| |
ISSN |
1938-5862 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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| |
Impact Factor |
|
Times cited |
|
Open Access |
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| |
Notes |
|
Approved |
Most recent IF: NA |
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| |
Call Number |
UA @ lucian @ c:irua:89510 |
Serial |
2375 |
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| Permanent link to this record |
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| |
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Author |
Kanda, A.; Baelus, B.J.; Peeters, F.M.; Kadowaki, K.; Ootuka, Y. |
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| |
Title |
Observation of paramagnetic supercurrent in mesoscopic superconducting rings and disks using multiple-small-tunnel-junction method |
Type |
P1 Proceeding |
| |
Year |
2005 |
Publication |
|
Abbreviated Journal |
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| |
Volume |
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Issue |
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Pages |
204-209 |
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Keywords |
P1 Proceeding; Condensed Matter Theory (CMT) |
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| |
Abstract |
Responses of mesoscopic superconducting rings and disks to perpendicular magnetic fields are studied by using the multiple-small-tunnel-junction method, in which transport properties of several small tunnel junctions attached to the sample are measured simultaneously. This allows us for a direct experimental observation of the paramagnetic supercurrent, which is closely related to the paramagnetic Meissner effect. The results are compared with numerical results based on the nonlinear Ginzburg-Landau theory. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
World Scientific |
Place of Publication |
Singapore |
Editor |
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Language |
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Wos |
000234363700032 |
Publication Date |
2007-11-30 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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| |
ISSN |
|
ISBN |
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Additional Links |
UA library record; WoS full record |
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| |
Impact Factor |
|
Times cited |
|
Open Access |
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| |
Notes |
|
Approved |
Most recent IF: NA |
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| |
Call Number |
UA @ lucian @ c:irua:94758 |
Serial |
2419 |
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| Permanent link to this record |
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Author |
Tadić, M.; Arsoski, V.; Čukarić, N.; Peeters, F.M. |
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| |
Title |
The optical excitonic Aharonov-Bohm effect in a few nanometer wide type-I nanorings |
Type |
A1 Journal article |
| |
Year |
2010 |
Publication |
Acta physica Polonica: A: general physics, solid state physics, applied physics |
Abbreviated Journal |
Acta Phys Pol A |
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| |
Volume |
117 |
Issue |
6 |
Pages |
974-977 |
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| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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| |
Abstract |
The optical excitonic Aharonov-Bohm effect in type-1 three-dimensional (In, Ga)As/GaAs nanorings in theoretically explored. The single-particle states of the electron and the hole are extracted from the effective mass theory in the presence of inhomogeneous strain, and an exact numerical diagonalization approach is used to compute the exciton states and the oscillator strength fx for exciton recombination. We studied both the large lithographically-defined and small self-assembled rings. Only in smaller self-assembled nanorings we found optical excitonic AharonovBohm effect. Those oscillations are established by anticrossings between the optically active exciton states with zero orbital momentum. In lithographically defined rings, whose average radius is 33 nm, fx shows no oscillations, whereas in the smaller self-assembled nanoring with average radius of 11.5 nm oscillations in fx for the ground exciton state are found as function of the magnetic field that is superposed on a linear dependence. These oscillations are smeared out at finite temperature, thus photoluminescence intensity exhibits step-like variation with magnetic field even at temperature as small as 4.2 K. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
Warszawa |
Editor |
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Language |
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Wos |
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Publication Date |
0000-00-00 |
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| |
Series Editor |
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Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
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| |
ISSN |
0587-4246 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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| |
Impact Factor |
0.469 |
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
Most recent IF: 0.469; 2010 IF: 0.467 |
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| |
Call Number |
UA @ lucian @ c:irua:84080 |
Serial |
2474 |
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| Permanent link to this record |
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| |
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Author |
Verberck, B.; Nikolaev, A.V.; Michel, K.H. |
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| |
Title |
Orientational charge density waves and the metal-insulator transition in polymerized KC60 |
Type |
A1 Journal article |
| |
Year |
2004 |
Publication |
AIP conference proceedings |
Abbreviated Journal |
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| |
Volume |
723 |
Issue |
|
Pages |
339-342 |
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| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Abstract |
Polymerized KC60 undergoes a structural phase transition accompanied by a metal-insulator transition around 50 K. To explain the structural aspect, a mechanism involving small orientational deviations of the valence electron density on every C-60 monomer orientational charge density waves (OCDWs) – has already been proposed earlier. In the present work, we address the metal-insulator transition using the OCDW concept. We are inspired by the analogy between a polymer chain exhibiting an OCDW and a linear atomic chain undergoing a static lattice deformation doubling the unit cell: such a deformation implies a band gap at the zone boundary, yielding an insulating state (Peierls instability). Within our view, a similar mechanism occurs in polymerized KC60; the OCDW plays the role of the lattice deformation. We present tight-binding band structure calculations and conclude that the metal-insulator transition can indeed be explained using OCDWs, but that the threedimensionality of the crystal plays an unexpected key role. |
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Place of Publication |
New York |
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Wos |
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Publication Date |
0000-00-00 |
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Series Issue |
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Edition |
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ISSN |
0094-243x |
ISBN |
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Additional Links |
UA library record; WoS full record; |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
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Call Number |
UA @ lucian @ c:irua:94831 |
Serial |
2513 |
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Author |
Szaszko-Bogar, V.; Foeldi, P.; Peeters, F.M. |
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Title |
Oscillating spin-orbit interaction as a source of spin-polarized wavepackets in two-terminal nanoscale devices |
Type |
A1 Journal article |
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Year |
2014 |
Publication |
Journal of physics : condensed matter |
Abbreviated Journal |
J Phys-Condens Mat |
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Volume |
26 |
Issue |
13 |
Pages |
135302 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Abstract |
Ballistic transport through nanoscale devices with time-dependent Rashba-type spin- orbit interaction (SOI) can lead to spin-polarized wavepackets that appear even for completely unpolarized input. The SOI that oscillates in a finite domain generates density and spin polarization fluctuations that leave the region as propagating waves. In particular, spin polarization has space and time dependence even in regions without SOI. Our results are based on an analytical solution of the time-dependent Schrodinger equation. The relevant Floquet quasi-energies that are obtained appear in the energy spectrum of both the transmitted and the reflected waves. |
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Place of Publication |
London |
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Wos |
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Publication Date |
0000-00-00 |
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Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0953-8984 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
2.649 |
Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: 2.649; 2014 IF: 2.346 |
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Call Number |
UA @ lucian @ c:irua:116844 |
Serial |
2533 |
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Author |
Croitoru, M.D.; Buzdin, A.I. |
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Title |
Peculiarities of the orbital effect in the Fulde-Ferrell-Larkin-Ovchinnikov state in quasi-one-dimensional superconductors |
Type |
A1 Journal article |
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Year |
2014 |
Publication |
Physical review : B : condensed matter and materials physics |
Abbreviated Journal |
Phys Rev B |
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Volume |
89 |
Issue |
22 |
Pages |
224506 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Abstract |
Using the quasiclassical formalism, we determine the low-temperature phase diagram of a quasi-one-dimensional superconductor, taking into account the interchain Josephson coupling and the paramagnetic spin splitting. We show that the anisotropy of the onset of superconductivity changes in the FFLO state as compared with the conventional superconducting phase. It can result in anomalous peaks in the field-direction dependence of the upper critical field when the magnetic field length equals to the FFLO period. This regime is characterized by the lock-in effect of the FFLO modulation wave vector, which is governed by the magnetic length. Furthermore, in the FFLO phase, the anisotropy of the upper critical field is inverted at T-1(**) = 0.5T(c0), where the orbital anisotropy disappears. We suggest that an experimental study of the anisotropy of the upper critical field can provide very reach information about the parameters of the FFLO phase in quasi-1D samples. |
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Wos |
000336975000005 |
Publication Date |
2014-06-09 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
1098-0121;1550-235X; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
3.836 |
Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: 3.836; 2014 IF: 3.736 |
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Call Number |
UA @ lucian @ c:irua:117749 |
Serial |
2569 |
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Author |
Nguyen, N.T.T.; Peeters, F.M. |
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Title |
Phase-diagram for the magnetic states of the Mn-ion subsystem in a magnetic quantum dot |
Type |
P1 Proceeding |
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Year |
2010 |
Publication |
Journal of physics : conference series
T2 – Conference on Quantum Dots 2010 (QD2010), APR 26-30, 2010, Nottingham, ENGLAND |
Abbreviated Journal |
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Volume |
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Issue |
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Pages |
012032-12034 |
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Keywords |
P1 Proceeding; Engineering sciences. Technology; Condensed Matter Theory (CMT) |
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Abstract |
The interplay between two types of spin-spin exchange interaction (namely of the electron with the Mn-ions and the Mn-ions with each other) that are governed by the positions of the Mn-ions and the magnetic field is studied in the case of a Mn-ion doped CdTe quantum dot. We investigate the formation of different magnetic phases and the existence of frustrated magnetic states due to the dominant contribution of the Mn-Mn energy. |
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Place of Publication |
Bristol |
Editor |
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Wos |
000294907400032 |
Publication Date |
2010-09-21 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
245 |
Series Issue |
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Edition |
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ISSN |
1742-6596; |
ISBN |
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Additional Links |
UA library record; WoS full record |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
; ; |
Approved |
Most recent IF: NA |
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Call Number |
UA @ lucian @ c:irua:113081 |
Serial |
2582 |
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Author |
Peelaers, H.; Partoens, B.; Peeters, F.M. |
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Title |
Phonon band structures of Si nanowires |
Type |
A1 Journal article |
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Year |
2009 |
Publication |
AIP conference proceedings |
Abbreviated Journal |
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Volume |
1199 |
Issue |
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Pages |
323-324 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Abstract |
We present full ab initio calculations of the phonon band structure of thin Si nanowires oriented along the [110] direction. Using these phonon dispersion relations we investigate the structural stability of these wires. We found that all studied wires were stable also when doped with either B or P, if the unit cell was taken sufficiently large along the wire axis. The evolution of the phonon dispersion relations and of the sound velocities with respect to the wire diameters is discussed. Softening is observed for acoustic modes and hardening for optical phonon modes with increasing wire diameters. |
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Place of Publication |
New York |
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Wos |
000281590800153 |
Publication Date |
2010-01-15 |
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Series Issue |
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Edition |
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ISSN |
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ISBN |
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Additional Links |
UA library record; WoS full record |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
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Call Number |
UA @ lucian @ c:irua:84891 |
Serial |
2602 |
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