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Author |
Hassani, H. |
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Title |
First-principles study of polarons in WO₃ |
Type |
Doctoral thesis |
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Year |
2023 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
181 p. |
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Keywords |
Doctoral thesis; Condensed Matter Theory (CMT) |
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Abstract |
Polarons are quasiparticles emerging in materials from the interaction of extra charge carriers with the surrounding atomic lattice. They appear in a wide va- riety of compounds and can have a profound impact on their properties, making the concept of a polaron a central and ubiquitous topic in material science. Al- though the concept is known for about 75 years, the origin of polarons is not yet fully elucidated. This thesis focuses on WO 3 as a well-known prototypical system for studying polarons, which inherent polaronic nature is linked to its remark- able electrical and chromic properties. The primary objective of this research is to provide a comprehensive atomistic description and understanding of polaron formation in WO 3 using first-principles density functional theory (DFT) calcula- tions. Additionally, the investigation explores the interactions between polarons and the possibility of bipolaron formation. Following a systematic strategy, we first extensively analyze the dielectric and lattice dynamical properties of WO 3 in both the room-temperature P 2 1 /n and ground-state P 2 1 /c phases. Our specific focus is on characterizing the zone-center phonons, which serve as the founda- tion for identifying the phonon modes involved in the polaron formation and charge localization process. Subsequently, we examine the impact of structural distortions on the electronic structure of WO 3 to elucidate the interplay between structural distortions and electronic properties, thereby laying the groundwork for understanding electron-phonon couplings. By incorporating these critical fac- tors, we address our primary research goals. The most common explanation for the polaron formation is associated with the electrostatic screening of the extra charge by the polarizable lattice. Here, we show that, even in ionic crystals, this is not necessarily the case. We demonstrate that polarons in this compound arise primarily from non-polar atomic distortions. We then unveil that this unexpected behavior originates from the undoing of distortive atomic motions, which lowers the bandgap. As such, we coin the name of anti-distortive polaron and validate its appearance through a simple quantum-dot model, in which charge localization is the result of balancing structural, electronic, and confinement energy costs. Then, we also study the polaron-polaron interaction and present the formation of the antiferromagnetic W 4+ bipolaronic state with relatively large formation energy. Our analysis of the W 4+ bipolaronic distortions on the global structure reveals the same behavior as in experiments where the highly distorted monoclinic phase transforms into a tetragonal phase as a function of doping. Additionally, leveraging our previous findings on asymmetric polaronic distortion and examin- ing different merging orientations, we stabilize the antiferromagnetic W 5+ -W 5+ bipolaronic state with an energy lower than the W 4+ state. This thesis clari- fies the formation of unusual medium-size 2D polarons and bipolarons in WO3,which might be relevant to the whole family of ABO 3 perovskites, to which WO 3 is closely related. The simplicity of the concept provides also obvious guidelines for tracking similar behavior in other families of compounds. |
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Most recent IF: NA |
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Call Number |
UA @ admin @ c:irua:198169 |
Serial |
8868 |
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Author |
Hasnat Rubel, A. |
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Title |
Theoretical characterization and optimization of nano-engineered superconducting scanning probe tip |
Type |
Doctoral thesis |
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Year |
2023 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
viii, 145 p. |
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Keywords |
Doctoral thesis; Engineering sciences. Technology; Condensed Matter Theory (CMT) |
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Abstract |
Using state-of-the-art simulation methods, we optimized the performance of nanoscale superconducting scanning probe tips for advanced spatial imaging of magnetic fields. The systematic studies of the tips’ static properties as a function of the tilted magnetic field, geometric parameters, and material parameters were carried out. The sensitivity of different superconducting quantum interference devices (SQUIDs) to the magnetic field emanating from the magnetic nanoparticle, where the location of a magnetic nanoparticle is considered below the primary loop's center, was examined as a function of the primary and secondary loop dimensions. The main objective of the research was to characterize and optimize the performance of a nano-sized SQUID-on-tip (SOT) device. Optimal SOT sensitivity was sought, for different loop sizes, arm linewidth, and lead dimensions. Moreover, we revealed that a constriction in the loop arms of the SOT can substantially improve the sensitivity of the device. Finally, the properties of the theta-SOT device were examined in the presence of in-plane and out-of-plane magnetic field components, enabling nanoscale imaging of 3D distributions of the magnetic field. Altogether, the obtained results deliver an engineering solution for the optimum performance of the SOT device in desired conditions. |
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Most recent IF: NA |
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Call Number |
UA @ admin @ c:irua:199494 |
Serial |
8942 |
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Author |
Reyntjens, P.; Van de Put, M.; Vandenberghe, W.G.; Sorée, B. |
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Title |
Ultrascaled graphene-capped interconnects : a quantum mechanical study |
Type |
P1 Proceeding |
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Year |
2023 |
Publication |
Proceedings of the IEEE ... International Interconnect Technology Conference
T2 – IEEE International Interconnect Technology Conference (IITC) / IEEE, Materials for Advanced Metallization Conference (MAM), MAY 22-25, 2023, Dresden, Germany |
Abbreviated Journal |
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Issue |
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Pages |
1-3 |
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Keywords |
P1 Proceeding; Condensed Matter Theory (CMT) |
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Abstract |
In this theoretical study, we assess the impact of a graphene capping layer on the resistivity of defective, extremely scaled interconnects. We investigate the effect of graphene capping on the electronic transport in ultrascaled interconnects, in the presence of grain boundary defects in the metal layer. We compare the results obtained using our quantum mechanical model to a simple parallel-conductor model and find that the parallel-conductor model does not capture the effect of the graphene cap correctly. At 0.5 nm metal thickness, the parallel-conductor model underestimates the conductivity by 3.0% to 4.0% for single-sided and double sided graphene capping, respectively. |
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Wos |
001027381700006 |
Publication Date |
2023-06-24 |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
979-83-503-1097-9 |
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 |
Not_Open_Access |
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Notes |
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Approved |
Most recent IF: NA |
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Call Number |
UA @ admin @ c:irua:198343 |
Serial |
8949 |
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Author |
Farias, G.A.; da Costa, W.B.; Peeters, F.M. |
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Title |
Acoustical polarons and bipolarons in two dimensions |
Type |
A1 Journal article |
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Year |
1996 |
Publication |
Physical review : B : condensed matter and materials physics |
Abbreviated Journal |
Phys Rev B |
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Volume |
54 |
Issue |
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Pages |
12835-12840 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Place of Publication |
Lancaster, Pa |
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Wos |
A1996VT68200039 |
Publication Date |
2002-07-27 |
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Edition |
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ISSN |
0163-1829;1095-3795; |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
3.736 |
Times cited |
30 |
Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ lucian @ c:irua:15790 |
Serial |
54 |
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Author |
Smondyrev, M.A.; Devreese, J.T.; Peeters, F.M. |
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Title |
Asymptotic expansions in the path integral approach to the bipolaron problem |
Type |
A1 Journal article |
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Year |
1995 |
Publication |
Physical review : B : condensed matter and materials physics |
Abbreviated Journal |
Phys Rev B |
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Volume |
51 |
Issue |
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Pages |
15008-15016 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems |
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Place of Publication |
Lancaster, Pa |
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Wos |
A1995RC32900022 |
Publication Date |
2002-07-27 |
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Edition |
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ISSN |
0163-1829;1095-3795; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
3.736 |
Times cited |
32 |
Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ lucian @ c:irua:11693 |
Serial |
161 |
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Author |
Peeters, F.M.; Golub, J.E. |
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Title |
Binding energy of the barbell exciton |
Type |
A1 Journal article |
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Year |
1991 |
Publication |
Physical review : B : condensed matter and materials physics |
Abbreviated Journal |
Phys Rev B |
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Volume |
43 |
Issue |
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Pages |
5159-5162 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Place of Publication |
Lancaster, Pa |
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Wos |
A1991EY62300076 |
Publication Date |
0000-00-00 |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
1098-0121; 0163-1829 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
3.736 |
Times cited |
27 |
Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ lucian @ c:irua:955 |
Serial |
239 |
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Author |
Helm, M.; Hilber, W.; Fromherz, T.; Peeters, F.M.; Alavi, K.; Pathak, R.N. |
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Title |
Bloch and localized electrons in semiconductor superlattices |
Type |
A1 Journal article |
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Year |
1994 |
Publication |
Semiconductor science and technology |
Abbreviated Journal |
Semicond Sci Tech |
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Volume |
9 |
Issue |
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Pages |
1989-1993 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Place of Publication |
London |
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Wos |
A1994PT27100023 |
Publication Date |
2002-08-25 |
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Series Issue |
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Edition |
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ISSN |
0268-1242;1361-6641; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
2.19 |
Times cited |
1 |
Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ lucian @ c:irua:9370 |
Serial |
244 |
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Author |
Koenraad, P.M.; Shi, J.M.; van de Stadt, A.F.W.; Smets, A.; Perenboom, J.A.A.J.; Peeters, F.M.; Devreese, J.T.; Wolter, J.H. |
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Title |
Charged-impurity correlations in a δ-doped quantum barrier |
Type |
P3 Proceeding |
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Year |
1996 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
2351-2354 |
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Keywords |
P3 Proceeding; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems |
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Publisher |
World Scientific |
Place of Publication |
Singapore |
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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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:15806 |
Serial |
340 |
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Author |
Peeters, F.M.; Schweigert, V.A.; Bedanov, V.M. |
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Title |
Classical two-dimensional atoms |
Type |
A1 Journal article |
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Year |
1995 |
Publication |
Physica: B : condensed matter |
Abbreviated Journal |
Physica B |
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Volume |
710 |
Issue |
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Pages |
237-244 |
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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 |
Amsterdam |
Editor |
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Language |
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Wos |
A1995RT41700009 |
Publication Date |
2003-05-01 |
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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 |
0921-4526; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
1.319 |
Times cited |
31 |
Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ lucian @ c:irua:12202 |
Serial |
372 |
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| Permanent link to this record |
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Author |
Leadley, D.R.; Nicholas, R.J.; Singleton, J.; Xu, W.; Peeters, F.M.; Devreese, J.T.; Perenboom, J.A.A.J.; van Bockstal, L.; Herlach, F.; Harris, J.J.; Foxon, C.T. |
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Title |
Collapse of high field magnetophonon resonance in GaAs-GaAlAs heterojunctions |
Type |
A1 Journal article |
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Year |
1994 |
Publication |
Physical review letters |
Abbreviated Journal |
Phys Rev Lett |
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Volume |
73 |
Issue |
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Pages |
589-592 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems |
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Corporate Author |
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Thesis |
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Place of Publication |
New York, N.Y. |
Editor |
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Language |
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Wos |
A1994NZ23700021 |
Publication Date |
2002-07-27 |
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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 |
0031-9007; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
7.512 |
Times cited |
24 |
Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ lucian @ c:irua:9278 |
Serial |
383 |
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Author |
Gee, P.J.; Peeters, F.M.; Singleton, J.; Uji, S.; Aoki, H.; Foxon, C.T.B.; Harris, J.J. |
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Title |
Composite fermions in tilded magnetic fields and the effect of the confining potential width on the composite fermion effective mass |
Type |
A1 Journal article |
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Year |
1996 |
Publication |
Physical review : B : condensed matter and materials physics |
Abbreviated Journal |
Phys Rev B |
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Volume |
54 |
Issue |
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Pages |
R14313-R14316 |
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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 |
Lancaster, Pa |
Editor |
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Language |
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Wos |
A1996VX71700024 |
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 |
1098-0121; 0163-1829 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
3.736 |
Times cited |
15 |
Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ lucian @ c:irua:15787 |
Serial |
440 |
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Author |
van Bockstal, L.; Mahy, M.; de Keyser, A.; Hoeks, W.; Herlach, F.; Peeters, F.M.; van de Graaf, W.; Borghs, G. |
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Title |
Cyclotron-resonance of 2D electrons at Si-δ-doped InSb layers grown on GaAs |
Type |
A1 Journal article |
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Year |
1995 |
Publication |
Physica: B : condensed matter |
Abbreviated Journal |
Physica B |
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Volume |
211 |
Issue |
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Pages |
455-457 |
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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 |
Amsterdam |
Editor |
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Language |
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Wos |
A1995RD54400118 |
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 |
0921-4526 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
1.319 |
Times cited |
2 |
Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ lucian @ c:irua:13038 |
Serial |
600 |
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Author |
Van Bockstal, L.; Mahy, M.; de Keyser, A.; Hoeks, W.; Herlach, F.; Peeters, F.M.; Van de Graaf, W.; Borghs, G. |
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Title |
Cyclotron-resonance of 2d electrons at Si-\delta-doped InSb layers grown on GaAs |
Type |
A1 Journal article |
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Year |
1995 |
Publication |
Physica: B : condensed matter |
Abbreviated Journal |
Physica B |
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Volume |
211 |
Issue |
1-4 |
Pages |
466-469 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Abstract |
Cyclotron resonance (CR) of the electrons accumulated at sheets with heavy Si doping in InSb were observed using far infrared radiation. The angular dependence of the CR follows closely the 1/cos theta behaviour with some small deviations at high angles attributed to coupling between subbands. From the effective mass of the lowest subband, which is found to be 0.027m(o), the bottom of the lowest subband was determined to lie 125 meV below the Fermi level. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
Elsevier |
Place of Publication |
Amsterdam |
Editor |
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Language |
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Wos |
A1995RD54400121 |
Publication Date |
2003-05-01 |
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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 |
0921-4526; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
1.319 |
Times cited |
2 |
Open Access |
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Notes |
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Approved |
no |
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| |
Call Number |
UA @ lucian @ c:irua:95914 |
Serial |
601 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
Nicholas, R.J.; Watts, M.; Howell, D.F.; Peeters, F.M.; Wu, X.G.; Devreese, J.T.; van Bockstal, L.; Herlach, F.; Langerak, C.J.G.M.; Singleton, J.; Chevy, A. |
|
| |
Title |
Cyclotron resonance of both magnetopolaron branches for polar and neutral optic phonon coupling in the layer compound InSe |
Type |
A1 Journal article |
| |
Year |
1992 |
Publication |
Pysical review: B |
Abbreviated Journal |
Phys Rev B |
|
| |
Volume |
45 |
Issue |
|
Pages |
12144 |
|
| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems |
|
| |
Abstract |
|
|
| |
Address |
|
|
| |
Corporate Author |
|
Thesis |
|
|
| |
Publisher |
|
Place of Publication |
|
Editor |
|
|
| |
Language |
|
Wos |
A1992HV74700089 |
Publication Date |
2002-07-27 |
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0163-1829;1095-3795; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
| |
Impact Factor |
3.736 |
Times cited |
21 |
Open Access |
|
|
| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ lucian @ c:irua:2906 |
Serial |
603 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
Xu, W.; Leadley, D.R.; Peeters, F.M.; Devreese, J.T.; Nicholas, R.J.; Harris, J.J.; Foxon, C.T. |
|
| |
Title |
Destruction of magnetophonon resonance in high mobility heterojunctions from competition between elastic and inelastic scattering |
Type |
P3 Proceeding |
| |
Year |
1994 |
Publication |
Proceedings of the International Conference on the Physics of Semiconductors |
Abbreviated Journal |
|
|
| |
Volume |
22 |
Issue |
|
Pages |
839-842 |
|
| |
Keywords |
P3 Proceeding; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems |
|
| |
Abstract |
|
|
| |
Address |
|
|
| |
Corporate Author |
|
Thesis |
|
|
| |
Publisher |
|
Place of Publication |
|
Editor |
|
|
| |
Language |
|
Wos |
|
Publication Date |
0000-00-00 |
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
|
ISBN |
|
Additional Links |
UA library record |
|
| |
Impact Factor |
|
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ lucian @ c:irua:9284 |
Serial |
665 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
da Costa, W.B.; Peeters, F.M. |
|
| |
Title |
Diagonalization of the generalized Feynman bipolaron model in a magnetic field |
Type |
A1 Journal article |
| |
Year |
1995 |
Publication |
Journal of physics : condensed matter |
Abbreviated Journal |
J Phys-Condens Mat |
|
| |
Volume |
7 |
Issue |
|
Pages |
1293-1304 |
|
| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
|
| |
Abstract |
|
|
| |
Address |
|
|
| |
Corporate Author |
|
Thesis |
|
|
| |
Publisher |
|
Place of Publication |
London |
Editor |
|
|
| |
Language |
|
Wos |
A1995QJ24700011 |
Publication Date |
2002-08-25 |
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0953-8984;1361-648X; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
| |
Impact Factor |
2.346 |
Times cited |
18 |
Open Access |
|
|
| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ lucian @ c:irua:12199 |
Serial |
687 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
Xu, W.; Peeters, F.M.; Devreese, J.T. |
|
| |
Title |
Diffusion-to-streaming transition in a two-dimensional electron system in a polar semiconductor |
Type |
A1 Journal article |
| |
Year |
1991 |
Publication |
Physical review : B : condensed matter and materials physics |
Abbreviated Journal |
Phys Rev B |
|
| |
Volume |
43 |
Issue |
|
Pages |
14134-14141 |
|
| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems |
|
| |
Abstract |
|
|
| |
Address |
|
|
| |
Corporate Author |
|
Thesis |
|
|
| |
Publisher |
|
Place of Publication |
Lancaster, Pa |
Editor |
|
|
| |
Language |
|
Wos |
A1991FQ97400035 |
Publication Date |
0000-00-00 |
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
1098-0121; 0163-1829 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
| |
Impact Factor |
3.736 |
Times cited |
24 |
Open Access |
|
|
| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ lucian @ c:irua:913 |
Serial |
701 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
Tso, H.C.; Vasilopoulos, P.; Peeters, F.M. |
|
| |
Title |
Direct Coulomb and phonon-mediated coupling between spatially separated electron gases |
Type |
A1 Journal article |
| |
Year |
1992 |
Publication |
Physical review letters |
Abbreviated Journal |
Phys Rev Lett |
|
| |
Volume |
68 |
Issue |
|
Pages |
2516-2519 |
|
| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
|
| |
Abstract |
|
|
| |
Address |
|
|
| |
Corporate Author |
|
Thesis |
|
|
| |
Publisher |
|
Place of Publication |
New York, N.Y. |
Editor |
|
|
| |
Language |
|
Wos |
A1992HP80100028 |
Publication Date |
2002-07-27 |
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0031-9007; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
| |
Impact Factor |
7.512 |
Times cited |
106 |
Open Access |
|
|
| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ lucian @ c:irua:3003 |
Serial |
709 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
Backes, W.H.; Peeters, F.M.; Brosens, F.; Devreese, J.T. |
|
| |
Title |
Dispersion of longitudinal plasmons for a quasi-two-dimensional electron gas |
Type |
A1 Journal article |
| |
Year |
1992 |
Publication |
Physical review : B : condensed matter and materials physics |
Abbreviated Journal |
Phys Rev B |
|
| |
Volume |
45 |
Issue |
15 |
Pages |
8437-8442 |
|
| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems |
|
| |
Abstract |
Confinement of electrons in ultrathin metallic films leads to subbands. By increasing the thickness of the electron layer, the subbands will dissolve into a quasicontinuum, with the number of electrons per unit volume kept constant. Within the random-phase approximation, the two-dimensional plasmon, which originally follows Stern's dispersion relation, becomes a longitudinal surface plasmon. The plasmon excitations of a model metallic film are investigated by including all subbands. Single-particle excitations, which exhibit the depolarization shift, converge into the plasma excitation spectrum. With further increases in the film thickness, the bulk plasmon arises and the surface plasmon remains. Our analysis shows how quantum size effects evolve into hydrodynamical classical size effects with increasing thickness of the film. |
|
| |
Address |
|
|
| |
Corporate Author |
|
Thesis |
|
|
| |
Publisher |
|
Place of Publication |
Lancaster, Pa |
Editor |
|
|
| |
Language |
|
Wos |
A1992HR33600028 |
Publication Date |
2002-07-27 |
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0163-1829;1095-3795; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
| |
Impact Factor |
3.736 |
Times cited |
37 |
Open Access |
|
|
| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ lucian @ c:irua:2738 |
Serial |
737 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
Shi, J.M.; Peeters, F.M.; Hai, G.Q.; Devreese, J.T. |
|
| |
Title |
Donor transition energy in GaAs-superlattices in a magnetic field along the growth axis |
Type |
A1 Journal article |
| |
Year |
1991 |
Publication |
Physical review : B : condensed matter and materials physics |
Abbreviated Journal |
Phys Rev B |
|
| |
Volume |
44 |
Issue |
|
Pages |
5692-5702 |
|
| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems |
|
| |
Abstract |
|
|
| |
Address |
|
|
| |
Corporate Author |
|
Thesis |
|
|
| |
Publisher |
|
Place of Publication |
Lancaster, Pa |
Editor |
|
|
| |
Language |
|
Wos |
A1991GF44300042 |
Publication Date |
0000-00-00 |
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
1098-0121; 0163-1829 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
| |
Impact Factor |
3.736 |
Times cited |
78 |
Open Access |
|
|
| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ lucian @ c:irua:915 |
Serial |
749 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
Schweigert, V.A.; Peeters, F.M. |
|
| |
Title |
Dynamics of a finite classical two-dimensional system |
Type |
A1 Journal article |
| |
Year |
1994 |
Publication |
Superlattices and microstructures |
Abbreviated Journal |
Superlattice Microst |
|
| |
Volume |
16 |
Issue |
3 |
Pages |
243-247 |
|
| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
|
| |
Abstract |
The spectral properties of a classical two-dimensional (2D) cluster of charged particles which are confined by a quadratic potential are calculated. Using the method of Newton optimization we obtain the ground state and the metastable states. For a given configuration the eigenvectors and eigenfrequencies for the normal modes are obtained using the Householder diagonalization technique for the dynamical matrix whose elements are the second derivative of the potential energy. For small clusters the lowest excitation corresponds to an intershell rotation. Magic numbers are associated to clusters which are most stable against intershell rotation. For large clusters the lowest excitation is a vortex/anti-vortex pair. |
|
| |
Address |
|
|
| |
Corporate Author |
|
Thesis |
|
|
| |
Publisher |
|
Place of Publication |
London |
Editor |
|
|
| |
Language |
|
Wos |
A1994QE75400007 |
Publication Date |
2009-07-08 |
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0749-6036; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
| |
Impact Factor |
2.097 |
Times cited |
4 |
Open Access |
|
|
| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ lucian @ c:irua:99951 |
Serial |
772 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
Bostoen, C.; Michel, K.H. |
|
| |
Title |
Dynamics of a quadrupolar glass |
Type |
A1 Journal article |
| |
Year |
1991 |
Publication |
Physical review : B : condensed matter and materials physics |
Abbreviated Journal |
Phys Rev B |
|
| |
Volume |
43 |
Issue |
|
Pages |
4415-4422 |
|
| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
|
| |
Abstract |
|
|
| |
Address |
|
|
| |
Corporate Author |
|
Thesis |
|
|
| |
Publisher |
|
Place of Publication |
Lancaster, Pa |
Editor |
|
|
| |
Language |
|
Wos |
A1991EX92100073 |
Publication Date |
0000-00-00 |
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
1098-0121; 0163-1829 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
| |
Impact Factor |
3.736 |
Times cited |
33 |
Open Access |
|
|
| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ lucian @ c:irua:939 |
Serial |
773 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
Shi, J.M.; Peeters, F.M.; Devreese, J.T.; Cheng, J.-P.; Kono, J.; McCombe, B.D. |
|
| |
Title |
Effects of confinement in strongly-coupled superlattices on impurity bound magneto-polarons |
Type |
P3 Proceeding |
| |
Year |
1994 |
Publication |
Proceedings of the International Conference on the Physics of Semiconductors |
Abbreviated Journal |
|
|
| |
Volume |
22 |
Issue |
|
Pages |
2267-2270 |
|
| |
Keywords |
P3 Proceeding; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems |
|
| |
Abstract |
|
|
| |
Address |
|
|
| |
Corporate Author |
|
Thesis |
|
|
| |
Publisher |
|
Place of Publication |
|
Editor |
|
|
| |
Language |
|
Wos |
|
Publication Date |
0000-00-00 |
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
|
ISBN |
|
Additional Links |
UA library record |
|
| |
Impact Factor |
|
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ lucian @ c:irua:9285 |
Serial |
858 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
Shi, J.M.; Koenraad, P.M.; van de Stadt, A.F.W.; Peeters, F.M.; Devreese, J.T.; Wolter, J.H. |
|
| |
Title |
Effects of DX centers on electronic structure of a ?-doped quantum barrier |
Type |
P3 Proceeding |
| |
Year |
1996 |
Publication |
|
Abbreviated Journal |
|
|
| |
Volume |
|
Issue |
|
Pages |
2355-2358 |
|
| |
Keywords |
P3 Proceeding; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems |
|
| |
Abstract |
|
|
| |
Address |
|
|
| |
Corporate Author |
|
Thesis |
|
|
| |
Publisher |
|
Place of Publication |
Singapore |
Editor |
|
|
| |
Language |
|
Wos |
|
Publication Date |
0000-00-00 |
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
|
ISBN |
|
Additional Links |
UA library record |
|
| |
Impact Factor |
|
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ lucian @ c:irua:20367 |
Serial |
860 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
Shi, J.M.; Koenraad, P.M.; van de Stadt, A.F.W.; Peeters, F.M.; Devreese, J.T.; Wolter, J.H. |
|
| |
Title |
Effects of the DX centers on electronic structure of a δ-doped quantum barrier |
Type |
P3 Proceeding |
| |
Year |
1996 |
Publication |
|
Abbreviated Journal |
|
|
| |
Volume |
|
Issue |
|
Pages |
2355-2358 |
|
| |
Keywords |
P3 Proceeding; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems |
|
| |
Abstract |
|
|
| |
Address |
|
|
| |
Corporate Author |
|
Thesis |
|
|
| |
Publisher |
World Scientific |
Place of Publication |
Singapore |
Editor |
|
|
| |
Language |
|
Wos |
|
Publication Date |
0000-00-00 |
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
|
ISBN |
|
Additional Links |
UA library record |
|
| |
Impact Factor |
|
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ lucian @ c:irua:15807 |
Serial |
872 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
Kálna, K.; Mo×ko, M.; Peeters, F.M. |
|
| |
Title |
Electron capture in GaAs quantum wells via electron-electron and optic phonon scattering |
Type |
A1 Journal article |
| |
Year |
1996 |
Publication |
Applied physics letters |
Abbreviated Journal |
Appl Phys Lett |
|
| |
Volume |
68 |
Issue |
|
Pages |
117-119 |
|
| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
|
| |
Abstract |
|
|
| |
Address |
|
|
| |
Corporate Author |
|
Thesis |
|
|
| |
Publisher |
American Institute of Physics |
Place of Publication |
New York, N.Y. |
Editor |
|
|
| |
Language |
|
Wos |
A1996TM84700040 |
Publication Date |
0000-00-00 |
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0003-6951; 1077-3118 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
| |
Impact Factor |
3.302 |
Times cited |
10 |
Open Access |
|
|
| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ lucian @ c:irua:15802 |
Serial |
912 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
Matulis, A.; Peeters, F.M. |
|
| |
Title |
Electron correlation effects in quantum dots |
Type |
P3 Proceeding |
| |
Year |
1995 |
Publication |
|
Abbreviated Journal |
|
|
| |
Volume |
|
Issue |
|
Pages |
1875-1878 |
|
| |
Keywords |
P3 Proceeding; Condensed Matter Theory (CMT) |
|
| |
Abstract |
|
|
| |
Address |
|
|
| |
Corporate Author |
|
Thesis |
|
|
| |
Publisher |
World Scientific |
Place of Publication |
Singapore |
Editor |
|
|
| |
Language |
|
Wos |
|
Publication Date |
0000-00-00 |
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
|
ISBN |
|
Additional Links |
UA library record |
|
| |
Impact Factor |
|
Times cited |
|
Open Access |
|
|
| |
Notes |
|
Approved |
no |
|
| |
Call Number |
UA @ lucian @ c:irua:12204 |
Serial |
914 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
Kálna, K.; Mo×ko, M.; Peeters, F.M. |
|
| |
Title |
Electron-electron scattering induced capture in GaAs quantum wells |
Type |
A3 Journal article |
| |
Year |
1995 |
Publication |
Lithuanian journal of physics |
Abbreviated Journal |
|
|
| |
Volume |
35 |
Issue |
|
Pages |
435-439 |
|
| |
Keywords |
A3 Journal article; Condensed Matter Theory (CMT) |
|
| |
Abstract |
|
|
| |
Address |
|
|
| |
Corporate Author |
|
Thesis |
|
|
| |
Publisher |
|
Place of Publication |
|
Editor |
|
|
| |
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 |
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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:12201 |
Serial |
927 |
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| Permanent link to this record |
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Author |
Hai; Studart; Peeters, F.M. |
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Title |
Electron-mobility in 2 coupled delta-layers |
Type |
A1 Journal article |
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Year |
1995 |
Publication |
Physical review : B : condensed matter and materials physics |
Abbreviated Journal |
Phys Rev B |
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Volume |
52 |
Issue |
15 |
Pages |
11273-11276 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Abstract |
The low-temperature transport properties are studied for electrons confined in delta-doped semiconductor structures with two sheets in parallel. The subband quantum mobility and transport mobility are calculated numerically for the Si delta-doped GaAs systems. The effect of coupling of the two delta layers on the electron transport is investigated. Our calculations are in good agreement with experimental results. |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
Lancaster, Pa |
Editor |
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Language |
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Wos |
A1995TA85200092 |
Publication Date |
2002-07-27 |
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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 |
0163-1829;1095-3795; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
3.736 |
Times cited |
25 |
Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ lucian @ c:irua:95343 |
Serial |
976 |
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| Permanent link to this record |
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Author |
Koenraad, P.M.; van de Stadt, A.F.W.; Hai, G.Q.; Shi, J.M.; Vansant, P.; Peeters, F.M.; Devreese, J.T.; Perenboom, J.A.A.J.; Wolter, J.H. |
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Title |
Electron mobility in Si delta doped GaAs |
Type |
A1 Journal article |
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Year |
1995 |
Publication |
Physica: B : condensed matter |
Abbreviated Journal |
Physica B |
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Volume |
211 |
Issue |
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Pages |
462-465 |
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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 |
Amsterdam |
Editor |
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Language |
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Wos |
A1995RD54400120 |
Publication Date |
2003-05-01 |
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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 |
0921-4526; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
1.319 |
Times cited |
9 |
Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ lucian @ c:irua:11694 |
Serial |
978 |
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| Permanent link to this record |
