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Author Goutenoire, F.; Maignan, A.; Van Tendeloo, G.; Martin, C.; Michel, C.; Hervieu, M.; Raveau, B.
  Title Substitution of mercury for thallium in the 2223 cuprate: the 130K superconductor Tl1.6Hg0.4Ba2Cu3O10-x Type A1 Journal article
  Year 1994 Publication Solid state communications Abbreviated Journal Solid State Commun
  Volume 90 Issue Pages 47-50
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication (down) New York, N.Y. Editor
  Language Wos A1994ND06400010 Publication Date 0000-00-00
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0038-1098 ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 1.897 Times cited 16 Open Access
  Notes Approved PHYSICS, APPLIED 28/145 Q1 #
  Call Number UA @ lucian @ c:irua:10031 Serial 3345
Permanent link to this record
 

 
Author Ivanov, V.A.; Misko, V.R.; Fomin, V.M.; Devreese, J.T.
  Title Superconductivity in mesoscopic high-Tc superconducting particles Type A1 Journal article
  Year 2003 Publication Solid State Communications Abbreviated Journal Solid State Commun
  Volume 125 Issue Pages 439-444
  Keywords A1 Journal article; Electron Microscopy for Materials Science (EMAT);
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication (down) New York, N.Y. Editor
  Language Wos 000181023700017 Publication Date 2003-01-30
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0038-1098; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 1.554 Times cited 3 Open Access
  Notes Approved Most recent IF: 1.554; 2003 IF: 1.602
  Call Number UA @ lucian @ c:irua:40871 Serial 3372
Permanent link to this record
 

 
Author Michel, K.H.; Verberck, B.; Hulman, M.; Kuzmany, H.; Krause, M.
  Title Superposition of quantum and classical rotational motions in Sc2C2@C84 fullerite Type A1 Journal article
  Year 2007 Publication The journal of chemical physics Abbreviated Journal J Chem Phys
  Volume 126 Issue 6 Pages 064304,1-15
  Keywords A1 Journal article; Condensed Matter Theory (CMT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication (down) New York, N.Y. Editor
  Language Wos 000244250200008 Publication Date 2007-02-09
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0021-9606; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 2.965 Times cited 14 Open Access
  Notes Approved Most recent IF: 2.965; 2007 IF: 3.044
  Call Number UA @ lucian @ c:irua:63628 Serial 3381
Permanent link to this record
 

 
Author Berdiyorov, G.R.; Cabral, L.R.E.; Peeters, F.M.
  Title Surface barrier for flux entry and exit in mesoscopic superconducting systems Type A1 Journal article
  Year 2005 Publication Journal of mathematical physics Abbreviated Journal J Math Phys
  Volume 46 Issue 9 Pages 095105
  Keywords A1 Journal article; Condensed Matter Theory (CMT)
  Abstract The energy barrier which has to be overcome for a single vortex to enter or exit the sample is studied for thin superconducting disks, rings, and squares using the nonlinear Ginzburg-Landau theory. The shape and the height of the nucleation barrier is investigated for different sample radii and thicknesses and for different values of the Ginzburg-Landau parameter kappa. It is shown that the London theory considerably overestimates (underestimates) the energy barrier for vortex expulsion (penetration). (c) 2005 American Institute of Physics.
  Address
  Corporate Author Thesis
  Publisher Place of Publication (down) New York, N.Y. Editor
  Language Wos 000232206700005 Publication Date 2005-09-28
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0022-2488; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 1.077 Times cited 18 Open Access
  Notes Approved Most recent IF: 1.077; 2005 IF: 1.192
  Call Number UA @ lucian @ c:irua:103142 Serial 3393
Permanent link to this record
 

 
Author Geurts, R.; Milošević, M.V.; Peeters, F.M.
  Title Symmetric and asymmetric vortex-antivortex molecules in a fourfold superconducting geometry Type A1 Journal article
  Year 2006 Publication Physical review letters Abbreviated Journal Phys Rev Lett
  Volume 97 Issue 13 Pages 1-4
  Keywords A1 Journal article; Condensed Matter Theory (CMT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication (down) New York, N.Y. Editor
  Language Wos 000240872700054 Publication Date 2006-09-28
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0031-9007;1079-7114; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 8.462 Times cited 54 Open Access
  Notes Approved Most recent IF: 8.462; 2006 IF: 7.072
  Call Number UA @ lucian @ c:irua:60997 Serial 3401
Permanent link to this record
 

 
Author Khasanova, N.R.; Kovba, M.L.; Putilin, S.N.; Antipov, E.V.; Lebedev, O.I.; Van Tendeloo, G.
  Title Synthesis, structure and properties of layered bismuthates: (Ba,K)3Bi2O7 and (Ba,K)2BiO4 Type A1 Journal article
  Year 2002 Publication Solid state communications Abbreviated Journal Solid State Commun
  Volume 122 Issue 3/4 Pages 189-193
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication (down) New York, N.Y. Editor
  Language Wos 000175844000016 Publication Date 2002-10-11
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0038-1098; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 1.554 Times cited 3 Open Access
  Notes Approved Most recent IF: 1.554; 2002 IF: 1.671
  Call Number UA @ lucian @ c:irua:54750 Serial 3462
Permanent link to this record
 

 
Author Teodorescu, V.S.; Nistor, L.C.; van Landuyt, J.; Dinescu, M.
  Title TEM study of laser induced phase transition in iron thin films Type A1 Journal article
  Year 1994 Publication Materials research bulletin Abbreviated Journal Mater Res Bull
  Volume 29 Issue 1 Pages 63-71
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract Laser induced phase transition from b.c.c.(alpha) to f.c.c.(gamma) iron thin films is studied by high resolution TEM. The iron film has been covered on both sides with carbon layers to protect it against oxidation. Single pulse, tau FWHM = 20ns KrF (lambda = 248nm) excimer laser irradiation was performed in air with the film on the substrate. The laser pulse acts like a heat pulse followed by a rapid quenching revealing sequential aspects of the phase transition process. The presence of a fine mixture of the alpha + gamma phases between the alpha and gamma regions of the film has been interpreted as an incomplet transformation. The results are explained by assuming that the transformation took place via a phonon drag mechanism.
  Address
  Corporate Author Thesis
  Publisher Place of Publication (down) New York, N.Y. Editor
  Language Wos A1994ML03000008 Publication Date 2003-06-21
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0025-5408; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 2.288 Times cited 2 Open Access
  Notes Approved no
  Call Number UA @ lucian @ c:irua:99945 Serial 3488
Permanent link to this record
 

 
Author Kao, K.-H.; Verhulst, A.S.; Van de Put, M.; Vandenberghe, W.G.; Sorée, B.; Magnus, W.; De Meyer, K.
  Title Tensile strained Ge tunnel field-effect transistors: k\cdot p material modeling and numerical device simulation Type A1 Journal article
  Year 2014 Publication Journal of applied physics Abbreviated Journal J Appl Phys
  Volume 115 Issue 4 Pages 044505-44508
  Keywords A1 Journal article; Condensed Matter Theory (CMT)
  Abstract Group IV based tunnel field-effect transistors generally show lower on-current than III-V based devices because of the weaker phonon-assisted tunneling transitions in the group IV indirect bandgap materials. Direct tunneling in Ge, however, can be enhanced by strain engineering. In this work, we use a 30-band k.p method to calculate the band structure of biaxial tensile strained Ge and then extract the bandgaps and effective masses at Gamma and L symmetry points in k-space, from which the parameters for the direct and indirect band-to-band tunneling (BTBT) models are determined. While transitions from the heavy and light hole valence bands to the conduction band edge at the L point are always bridged by phonon scattering, we highlight a new finding that only the light-holelike valence band is strongly coupling to the conduction band at the Gamma point even in the presence of strain based on the 30-band k.p analysis. By utilizing a Technology Computer Aided Design simulator equipped with the calculated band-to-band tunneling BTBT models, the electrical characteristics of tensile strained Ge point and line tunneling devices are self-consistently computed considering multiple dynamic nonlocal tunnel paths. The influence of field-induced quantum confinement on the tunneling onset is included. Our simulation predicts that an on-current up to 160 (260) mu A/mu m can be achieved along with on/off ratio > 10(6) for V-DD = 0.5V by the n-type (p-type) line tunneling device made of 2.5% biaxial tensile strained Ge. (C) 2014 AIP Publishing LLC.
  Address
  Corporate Author Thesis
  Publisher American Institute of Physics Place of Publication (down) New York, N.Y. Editor
  Language Wos 000331210800113 Publication Date 2014-01-26
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0021-8979;1089-7550; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 2.068 Times cited 26 Open Access
  Notes ; Authors would like to thank Dr. Mohammad Ali Pourghaderi for useful discussions on the nonparabolicity. Authors would also like to thank Professor Eddy Simoen and Dr. Yosuke Shimura for useful discussions about the validity of modeled bandgaps and effective masses. This work was also supported by IMEC's Industrial Affiliation Program. ; Approved Most recent IF: 2.068; 2014 IF: 2.183
  Call Number UA @ lucian @ c:irua:115800 Serial 3505
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Author Dong, H.M.; Qin, H.; Zhang, J.; Peeters, F.M.; Xu, W.
  Title Terahertz absorption window in bilayer graphene Type H1 Book chapter
  Year 2009 Publication Abbreviated Journal
  Volume Issue Pages 247-248
  Keywords H1 Book chapter; Condensed Matter Theory (CMT)
  Abstract We present a detailed theoretical study of terahertz (THz) optical absorption in bilayer graphene. Considering an air/graphene/dielectric-wafer system, we find that there is an absorption window in the range 3 similar to 30 THz. Such an absorption window is induced by different transition energies required for inter- and intra-band optical absorption in the presence of the Pauli blockade effect. As a result, the position and width of this THz absorption window depend sensitively on temperature and carrier density of the system. These results are pertinent to the applications of recently developed graphene systems as novel optoelectronic devices such as THz photo-detectors.
  Address
  Corporate Author Thesis
  Publisher Ieee Place of Publication (down) New York, N.Y. Editor
  Language Wos Publication Date 0000-00-00
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN ISBN 978-1-4244-5416-7 Additional Links UA library record; WoS full record;
  Impact Factor Times cited Open Access
  Notes Approved Most recent IF: NA
  Call Number UA @ lucian @ c:irua:99225 Serial 3506
Permanent link to this record
 

 
Author Zhao, C.X.; Xu, W.; Li, L.L.; Zhang, C.; Peeters, F.M.
  Title Terahertz plasmon-polariton modes in graphene driven by electric field inside a Fabry-Perot cavity Type A1 Journal article
  Year 2015 Publication Journal of applied physics Abbreviated Journal J Appl Phys
  Volume 117 Issue 117 Pages 223104
  Keywords A1 Journal article; Condensed Matter Theory (CMT)
  Abstract We present a theoretical study on plasmon-polariton modes in graphene placed inside an optical cavity and driven by a source-to-drain electric field. The electron velocity and electron temperature are determined by solving self-consistently the momentum-and energy-balance equations in which electron interactions with impurities, acoustic-, and optic-phonons are included. Based on many-body self-consistent field theory, we develop a tractable approach to study plasmon-polariton in an electron gas system. We find that when graphene is placed inside a Fabry-Perot cavity, two branches of the plasmon-polariton modes can be observed and these modes are very much optic-or plasmon-like. The frequencies of these modes depend markedly on driving electric field especially at higher resonant frequency regime. Moreover, the plasmon-polariton frequency in graphene is in terahertz (THz) bandwidth and can be tuned by changing the cavity length, gate voltage, and driving electric field. This work is pertinent to the application of graphene-based structures as tunable THz plasmonic devices. (C) 2015 AIP Publishing LLC.
  Address
  Corporate Author Thesis
  Publisher American Institute of Physics Place of Publication (down) New York, N.Y. Editor
  Language Wos 000356176100004 Publication Date 2015-06-10
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0021-8979;1089-7550; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 2.068 Times cited 13 Open Access
  Notes ; This work was supported by the Ministry of Science and Technology of China (Grant No. 2011YQ130018), Department of Science and Technology of Yunnan Province, and by the Chinese Academy of Sciences. F.M.P. was a specially appointed Professor for foreign expert at the Chinese Academy of Sciences. ; Approved Most recent IF: 2.068; 2015 IF: 2.183
  Call Number c:irua:127076 Serial 3507
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Author Prituzhalov, V.A.; Abakumov, A.M.; Ardashnikova, E.I.; Dolgikh, V.A.; Van Tendeloo, G.
  Title :Ba2.1Bi0.9(O, F)6.8-\delta: a new ordered anion-excess fluorite Type A1 Journal article
  Year 2007 Publication Materials research bulletin Abbreviated Journal Mater Res Bull
  Volume 42 Issue 5 Pages 861-869
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication (down) New York, N.Y. Editor
  Language Wos 000245842600010 Publication Date 2006-10-05
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0025-5408; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 2.446 Times cited 4 Open Access
  Notes Approved Most recent IF: 2.446; 2007 IF: 1.484
  Call Number UA @ lucian @ c:irua:64724 Serial 3515
Permanent link to this record
 

 
Author Pachoud, E.; Bréard, Y.; Martin, C.; Maignan, A.; Abakumov, A.M.; Suard, E.; Smith, R.I.; Suchomel, M.R.
  Title Bi0.75Sr0.25FeO3-\delta : revealing order/disorder phenomena by combining diffraction techniques Type A1 Journal article
  Year 2012 Publication Solid state communications Abbreviated Journal Solid State Commun
  Volume 152 Issue 5 Pages 331-336
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract The local and long range structure of polycrystalline samples of Bi0.75Sr0.25FeO3-delta has been probed by neutron and synchrotron X-ray diffraction coupled with transmission electron microscopy. It is found that the long range structure on average can be described by the cubic space group Pm-3m (a(p) congruent to 3.951 angstrom). However, the refinements revealed large atomic displacements for the (Bi, Sr) cations and the oxygen atoms from their ideal positions. The electron microscopy study indicates the existence of local phenomena like local ordering of oxygen vacancies, which are segregated at the randomly spaced parallel (FeO2-delta) planes, or the existence of region of different symmetry, probably R3c. At room temperature, the compound exhibits G-type antiferromagnetism (T-N congruent to 650 K) with a magnetic moment of congruent to 3.7 mu(B). (C) 2012 Elsevier Ltd. All rights reserved.
  Address
  Corporate Author Thesis
  Publisher Place of Publication (down) New York, N.Y. Editor
  Language Wos 000301329200001 Publication Date 2011-12-19
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0038-1098; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 1.554 Times cited 6 Open Access
  Notes Approved Most recent IF: 1.554; 2012 IF: 1.534
  Call Number UA @ lucian @ c:irua:97820 Serial 3516
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Author Paul, M.; Kufer, D.; Müller, A.; Brück, S.; Goering, E.; Kamp, M.; Verbeeck, J.; Tian, H.; Van Tendeloo, G.; Ingle, N.J.C.; Sing, M.; Claessen, R.
  Title Fe3O4/ZnO : a high-quality magnetic oxide-semiconductor heterostructure by reactive deposition Type A1 Journal article
  Year 2011 Publication Applied physics letters Abbreviated Journal Appl Phys Lett
  Volume 98 Issue 1 Pages 012512,1-012512,3
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract We demonstrate the epitaxial growth of Fe<sub>3</sub>O<sub>4</sub> films on ZnO by a simple reactive deposition procedure using molecular oxygen as an oxidizing agent. X-ray photoelectron spectroscopy results evidence that the iron-oxide surface is nearly stoichiometric magnetite. X-ray diffraction results indicate monocrystalline epitaxy and almost complete structural relaxation. Scanning transmission electron micrographs reveal that the microstructure consists of domains which are separated by antiphase boundaries or twin boundaries. The magnetite films show rather slow magnetization behavior in comparison with bulk crystals probably due to reduced magnetization at antiphase boundaries in small applied fields.
  Address
  Corporate Author Thesis
  Publisher American Institute of Physics Place of Publication (down) New York, N.Y. Editor
  Language Wos 000286009800055 Publication Date 2011-01-07
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0003-6951; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 3.411 Times cited 27 Open Access
  Notes The authors acknowledge financial support by DFG through Forschergruppe FOR 1162. Approved Most recent IF: 3.411; 2011 IF: 3.844
  Call Number UA @ lucian @ c:irua:88653 Serial 3532
Permanent link to this record
 

 
Author Martin, J.M.L.; Francois; Gijbels, R.
  Title The anharmonic-force field of thioformaldehyde, h2cs, by ab-initio methods Type A1 Journal article
  Year 1994 Publication Journal of molecular spectroscopy Abbreviated Journal J Mol Spectrosc
  Volume 168 Issue 2 Pages 363-373
  Keywords A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
  Abstract The quartic force field of thioformaldehyde has been calculated ab initio using large basis sets and augmented coupled cluster methods. Calculated fundamentals are in excellent agreement with experiment, as is the most important Coriolis coupling constant. Computed values for the anharmonicity, rovibrational coupling, and centrifugal distortion constants of the four isotopomers (H2CS)-S-32, (H2CS)-S-34, (HDCS)-S-32, and (D2CS)-S-32 have been reported. Predictions have been made for all vibrational transitions from the ground state to excited states with at most two quanta for these isotopomers, both using second-order perturbation theory corrected for Darling-Dennison resonance and using vibrational SCF-CI calculations. For (D2CS)-S-32, perturbation theory performs quite well; for the other isotopomers, performance is poorer for states involving excitation of the out-of-plane bend and, for the (H2CS)-S-32 and (H2CS)-S-34 isotopomers, also for the antisymmetric bend that is in severe Coriolis resonance with it. A possible explanation has been suggested. (C) 1994 Academic Press, Inc.
  Address
  Corporate Author Thesis
  Publisher Place of Publication (down) New York, N.Y. Editor
  Language Wos A1994PU60800015 Publication Date 2002-10-07
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0022-2852; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 1.482 Times cited 18 Open Access
  Notes Approved PHYSICS, APPLIED 47/145 Q2 #
  Call Number UA @ lucian @ c:irua:95414 Serial 3570
Permanent link to this record
 

 
Author Chu, D.P.; Peeters, F.M.; Kolodinski, S.; Roca, E.
  Title Theoretical investigation of CoSi2/Si1-xGex detectors: influence of a Si tunneling barrier on the electro-optical characteristics Type A1 Journal article
  Year 1996 Publication Journal of applied physics Abbreviated Journal J Appl Phys
  Volume 79 Issue Pages 1151-1156
  Keywords A1 Journal article; Condensed Matter Theory (CMT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher American Institute of Physics Place of Publication (down) New York, N.Y. Editor
  Language Wos A1996TQ77500084 Publication Date 0000-00-00
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0021-8979; 1089-7550 ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 2.183 Times cited 3 Open Access
  Notes Approved no
  Call Number UA @ lucian @ c:irua:15801 Serial 3606
Permanent link to this record
 

 
Author Berdiyorov, G.R.; Bahlouli, H.; Peeters, F.M.
  Title Theoretical study of electronic transport properties of a graphene-silicene bilayer Type A1 Journal article
  Year 2015 Publication Journal of applied physics Abbreviated Journal J Appl Phys
  Volume 117 Issue 117 Pages 225101
  Keywords A1 Journal article; Condensed Matter Theory (CMT)
  Abstract Electronic transport properties of a graphene-silicene bilayer system are studied using density-functional theory in combination with the nonequilibrium Green's function formalism. Depending on the energy of the electrons, the transmission can be larger in this system as compared to the sum of the transmissions of separated graphene and silicene monolayers. This effect is related to the increased electron density of states in the bilayer sample. At some energies, the electronic states become localized in one of the layers, resulting in the suppression of the electron transmission. The effect of an applied voltage on the transmission becomes more pronounced in the layered sample as compared to graphene due to the larger variation of the electrostatic potential profile. Our findings will be useful when creating hybrid nanoscale devices where enhanced transport properties will be desirable. (C) 2015 AIP Publishing LLC.
  Address
  Corporate Author Thesis
  Publisher American Institute of Physics Place of Publication (down) New York, N.Y. Editor
  Language Wos 000356176100040 Publication Date 2015-06-10
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0021-8979;1089-7550; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 2.068 Times cited 10 Open Access
  Notes ; H. B. and F. M. P. acknowledge support from King Fahd University of Petroleum and Minerals, Saudi Arabia, under the RG1329-1 and RG1329-2 DSR Projects. ; Approved Most recent IF: 2.068; 2015 IF: 2.183
  Call Number c:irua:127075 Serial 3611
Permanent link to this record
 

 
Author Nasirpouri, F.; Engbarth, M.A.; Bending, S.J.; Peter, L.M.; Knittel, A.; Fangohr, H.; Milošević, M.V.
  Title Three-dimensional ferromagnetic architectures with multiple metastable states Type A1 Journal article
  Year 2011 Publication Applied physics letters Abbreviated Journal Appl Phys Lett
  Volume 98 Issue 22 Pages 222506,1-222506,3
  Keywords A1 Journal article; Condensed Matter Theory (CMT)
  Abstract We demonstrate controllable dual-bath electrodeposition of nickel on architecture-tunable three-dimensional (3D) silver microcrystals. Magnetic hysteresis loops of individual highly faceted Ag-Ni core-shell elements reveal magnetization reversal that comprises multiple sharp steps corresponding to different stable magnetic states. Finite-element micromagnetic simulations on smaller systems show several jumps during magnetization reversal which correspond to transitions between different magnetic vortex states. Structures of this type could be realizations of an advanced magnetic data storage architecture whereby each element represents one multibit, storing a combination of several conventional bits depending on the overall number of possible magnetic states associated with the 3D core-shell shape.
  Address
  Corporate Author Thesis
  Publisher American Institute of Physics Place of Publication (down) New York, N.Y. Editor
  Language Wos 000291405700044 Publication Date 2011-06-03
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0003-6951; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 3.411 Times cited 8 Open Access
  Notes ; This work was supported by EPSRC in the U.K. under Grant Nos. EP/E039944/1 and EP/E040063/1, DYNAMAG project (EU FP7/2007-2013 Grant No. 233552), and FWO-Vlaanderen. ; Approved Most recent IF: 3.411; 2011 IF: 3.844
  Call Number UA @ lucian @ c:irua:90008 Serial 3652
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Author de Sousa, J.S.; Covaci, L.; Peeters, F.M.; Farias, G.A.
  Title Time-dependent investigation of charge injection in a quantum dot containing one electron Type A1 Journal article
  Year 2012 Publication Journal of applied physics Abbreviated Journal J Appl Phys
  Volume 112 Issue 9 Pages 093705-93709
  Keywords A1 Journal article; Condensed Matter Theory (CMT)
  Abstract The interaction of an injected electron towards a quantum dot (QD) containing a single confined electron is investigated using a flexible time-dependent quantum mechanics formalism, which allows both electrons to move and undergo quantum transitions. Different scenarios combining quantum dot dimensions, dielectric constant, injected wave packet energy, and width were explored, and our main results are: (i) due to the large characteristic transitions times between the confined state in the quantum dot and the delocalized state in the continuum, it is relatively difficult to ionize the occupied QD by Coulomb interaction solely and (ii) the charging state of the quantum dot can be sensed by direct injection of charges. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4759292]
  Address
  Corporate Author Thesis
  Publisher American Institute of Physics Place of Publication (down) New York, N.Y. Editor
  Language Wos 000311968400052 Publication Date 2012-11-06
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0021-8979; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 2.068 Times cited 1 Open Access
  Notes ; This work was financially supported by the Brazilian National Research Council (CNPq), under Contract No. NanoBioEstruturas 555183/2005-0, Fundao Cearense de Apoio ao Desenvolvimento Cientfico e Tecnolgico (Funcap), CAPES, Pronex/CNPq/ Funcap, the Bilateral program between Flanders and Brazil, and the Flemish Science Foundation (FWO). ; Approved Most recent IF: 2.068; 2012 IF: 2.210
  Call Number UA @ lucian @ c:irua:106014 Serial 3664
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Author Zarenia, M.; Pereira, J.M.; Peeters, F.M.; Farias, G. de A.
  Title Topological confinement in an antisymmetric potential in bilayer graphene in the presence of a magnetic field Type A1 Journal article
  Year 2011 Publication Nanoscale research letters Abbreviated Journal Nanoscale Res Lett
  Volume 6 Issue Pages 452,1-452,10
  Keywords A1 Journal article; Condensed Matter Theory (CMT)
  Abstract We investigate the effect of an external magnetic field on the carrier states that are localized at a potential kink and a kink-antikink in bilayer graphene. These chiral states are localized at the interface between two potential regions with opposite signs.
  Address
  Corporate Author Thesis
  Publisher Place of Publication (down) New York, N.Y. Editor
  Language Wos 000293299800001 Publication Date 2011-07-14
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1556-276X; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 2.833 Times cited 4 Open Access
  Notes ; This work was supported by the Brazilian agency CNPq (Pronex), the Flemish Science Foundation (FWO-Vl), the Belgian Science Policy (IAP), and the bilateral projects between Flanders and Brazil and FWO-CNPq. ; Approved Most recent IF: 2.833; 2011 IF: NA
  Call Number UA @ lucian @ c:irua:91745 Serial 3674
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Author Xavier, L.J.P.; Pereira, J.M.; Chaves, A.; Farias, G.A.; Peeters, F.M.
  Title Topological confinement in graphene bilayer quantum rings Type A1 Journal article
  Year 2010 Publication Applied physics letters Abbreviated Journal Appl Phys Lett
  Volume 96 Issue 21 Pages 212108,1-212108,3
  Keywords A1 Journal article; Condensed Matter Theory (CMT)
  Abstract We find localized electron and hole states in a ring-shaped potential kink in biased bilayer graphene. Within the continuum description, we show that for sharp potential steps the Dirac equation describing carrier states close to the K (or K′) point of the first Brillouin zone can be solved analytically for a circular kink/antikink dot. The solutions exhibit interfacial states which exhibit AharonovBohm oscillations as functions of the height of the potential step and/or the radius of the ring.
  Address
  Corporate Author Thesis
  Publisher American Institute of Physics Place of Publication (down) New York, N.Y. Editor
  Language Wos 000278183200039 Publication Date 2010-05-28
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0003-6951; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 3.411 Times cited 29 Open Access
  Notes ; This work was financially supported by CNPq, under Contract No. NanoBioEstruturas 555183/2005-0, FUNCAP, CAPES, the Bilateral program between Flanders and Brazil, the Belgian Science Policy (IAP) and the Flemish Science Foundation (FWO-Vl). ; Approved Most recent IF: 3.411; 2010 IF: 3.841
  Call Number UA @ lucian @ c:irua:83373 Serial 3675
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Author Bals, S.; Van Tendeloo, G.; Rijnders, G.; Huijben, M.; Leca, V.; Blank, D.H.A.
  Title Transmission electron microscopy on interface engineered superconducting thin films Type A1 Journal article
  Year 2003 Publication IEEE transactions on applied superconductivity Abbreviated Journal Ieee T Appl Supercon
  Volume 13 Issue 2:3 Pages 2834-2837
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract Transmission electron microscopy is used to evaluate different deposition techniques, which optimize the microstructure and physical properties of superconducting thin films. High-resolution electron microscopy proves that the use of an YBa2Cu2Ox buffer layer can avoid a variable interface configuration in YBa2Cu3O7-delta thin films grown on SrTiO3. The growth can also be controlled at an atomic level by, using sub-unit cell layer epitaxy, which results in films with high quality and few structural defects. Epitaxial strain in Sr0.85La0.15CuO2 infinite layer thin films influences the critical temperature of these films, as well as the microstructure. Compressive stress is released by a modulated or a twinned microstructure, which eliminates superconductivity. On the other hand, also tensile strain seems to lower the critical temperature of the infinite layer.
  Address
  Corporate Author Thesis
  Publisher Place of Publication (down) New York, N.Y. Editor
  Language Wos 000184242400101 Publication Date 2003-07-16
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1051-8223; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor Times cited 13 Open Access
  Notes Iuap V-1; Fwo Approved Most recent IF: NA
  Call Number UA @ lucian @ c:irua:103292 Serial 3712
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Author Leenaerts, O.; Partoens, B.; Peeters, F.M.
  Title Tunable double Dirac cone spectrum in bilayer \alpha-graphyne Type A1 Journal article
  Year 2013 Publication Applied physics letters Abbreviated Journal Appl Phys Lett
  Volume 103 Issue 1 Pages 013105-4
  Keywords A1 Journal article; Condensed Matter Theory (CMT)
  Abstract Monolayer alpha-graphyne was recently proposed as a new all-carbon material having an electronic spectrum consisting of Dirac cones. Based on a first-principles investigation of bilayer alpha-graphyne, we show that the electronic band structure is qualitatively different from its monolayer form and depends crucially on the stacking mode of the two layers. Two stable stacking modes are found: a configuration with a gapless parabolic band structure, similar to AB stacked bilayer graphene, and another one which exhibits a doubled Dirac-cone spectrum. The latter can be tuned by an electric field with a gap opening rate of 0.3 eA. (C) 2013 AIP Publishing LLC.
  Address
  Corporate Author Thesis
  Publisher American Institute of Physics Place of Publication (down) New York, N.Y. Editor
  Language Wos 000321497200032 Publication Date 2013-07-01
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0003-6951; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 3.411 Times cited 58 Open Access
  Notes ; This work was supported by the Flemish Science Foundation (FWO-Vl), the NOI-BOF of the University of Antwerp, and the ESF EuroGRAPHENE project CONGRAN. ; Approved Most recent IF: 3.411; 2013 IF: 3.515
  Call Number UA @ lucian @ c:irua:109821 Serial 3740
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Author Papp, G.; Peeters, F.M.
  Title Tunable giant magnetoresistance with magnetic barriers Type A1 Journal article
  Year 2006 Publication Journal of applied physics Abbreviated Journal J Appl Phys
  Volume 100 Issue 4 Pages 043707,1-4
  Keywords A1 Journal article; Condensed Matter Theory (CMT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher American Institute of Physics Place of Publication (down) New York, N.Y. Editor
  Language Wos 000240236800056 Publication Date 2006-09-11
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0021-8979; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 2.068 Times cited 49 Open Access
  Notes Approved Most recent IF: 2.068; 2006 IF: 2.316
  Call Number UA @ lucian @ c:irua:60812 Serial 3742
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Author Liu, Y.; Cheng, F.; Li, X.J.; Peeters, F.M.; Chang, K.
  Title Tuning of anisotropy in two-electron quantum dots by spin-orbit interactions Type A1 Journal article
  Year 2011 Publication Applied physics letters Abbreviated Journal Appl Phys Lett
  Volume 99 Issue 3 Pages 032102,1-032102,3
  Keywords A1 Journal article; Condensed Matter Theory (CMT)
  Abstract We investigate the influence of the spin-orbit interactions (SOIs) on the electron distribution and the optical absorption of a two-electron quantum dot. It is shown that the interplay between the SOIs makes the two-electron quantum dot behave like two laterally coupled quantum dots and the anisotropic distribution can be rotated from [110] to [11®0] by reversing the direction of the perpendicular electric field and detect it through the optical absorption spectrum.
  Address
  Corporate Author Thesis
  Publisher American Institute of Physics Place of Publication (down) New York, N.Y. Editor
  Language Wos 000293679000026 Publication Date 2011-07-18
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0003-6951; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 3.411 Times cited 8 Open Access
  Notes ; This work was supported by NSFC Grants No. 16760525405, 10874175 and 11004017 and the Belgian Science Policy 168(IAP). ; Approved Most recent IF: 3.411; 2011 IF: 3.844
  Call Number UA @ lucian @ c:irua:92473 Serial 3749
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Author Komendová, L.; Chen, Y.; Shanenko, A.A.; Milošević, M.V.; Peeters, F.M.
  Title Two-band superconductors : hidden criticality deep in the superconducting state Type A1 Journal article
  Year 2012 Publication Physical review letters Abbreviated Journal Phys Rev Lett
  Volume 108 Issue 20 Pages 207002-207002,5
  Keywords A1 Journal article; Condensed Matter Theory (CMT)
  Abstract We show that two-band superconductors harbor hidden criticality deep in the superconducting state, stemming from the critical temperature of the weaker band taken as an independent system. For sufficiently small interband coupling gamma the coherence length of the weaker band exhibits a remarkable deviation from the conventional monotonic increase with temperature, namely, a pronounced peak close to the hidden critical point. The magnitude of the peak scales as proportional to gamma(-mu), with the Landau critical exponent mu = 1/3, the same as found for the mean-field critical behavior with respect to the source field in ferromagnets and ferroelectrics. Here reported hidden criticality of multiband superconductors can be experimentally observed by, e.g., imaging of the variations of the vortex core in a broader temperature range. Similar effects are expected for the superconducting multilayers.
  Address
  Corporate Author Thesis
  Publisher Place of Publication (down) New York, N.Y. Editor
  Language Wos 000304064000017 Publication Date 2012-05-15
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0031-9007;1079-7114; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 8.462 Times cited 75 Open Access
  Notes ; This work was supported by the Flemish Science Foundation (FWO-Vl). Useful discussions with A. V. Vagov are acknowledged. ; Approved Most recent IF: 8.462; 2012 IF: 7.943
  Call Number UA @ lucian @ c:irua:98945 Serial 3770
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Author Lin, N.S.; Misko, V.R.; Peeters, F.M.
  Title Unconventional vortex dynamics in mesoscopic superconducting corbino disks Type A1 Journal article
  Year 2009 Publication Physical review letters Abbreviated Journal Phys Rev Lett
  Volume 102 Issue 19 Pages 197003,1-197003,4
  Keywords A1 Journal article; Condensed Matter Theory (CMT)
  Abstract The discrete shell structure of vortex matter strongly influences the flux dynamics in mesoscopic superconducting Corbino disks. While the dynamical behavior is well understood in large and in very small disks, in the intermediate-size regime it occurs to be much more complex and unusual, due to (in)commensurability between the vortex shells. We demonstrate unconventional vortex dynamics (inversion of shell velocities with respect to the gradient driving force) and angular melting (propagating from the boundary where the shear stress is minimum, towards the center) in mesoscopic Corbino disks.
  Address
  Corporate Author Thesis
  Publisher Place of Publication (down) New York, N.Y. Editor
  Language Wos 000266207700063 Publication Date 2009-05-14
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0031-9007;1079-7114; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 8.462 Times cited 18 Open Access
  Notes Approved Most recent IF: 8.462; 2009 IF: 7.328
  Call Number UA @ lucian @ c:irua:77396 Serial 3800
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Author Zhang, L.-F.; Covaci, L.; Milošević, M.V.; Berdiyorov, G.R.; Peeters, F.M.
  Title Unconventional vortex states in nanoscale superconductors due to shape-induced resonances in the inhomogeneous Cooper-pair condensate Type A1 Journal article
  Year 2012 Publication Physical review letters Abbreviated Journal Phys Rev Lett
  Volume 109 Issue 10 Pages 107001
  Keywords A1 Journal article; Condensed Matter Theory (CMT)
  Abstract Vortex matter in mesoscopic superconductors is known to be strongly affected by the geometry of the sample. Here we show that in nanoscale superconductors with coherence length comparable to the Fermi wavelength the shape resonances of the order parameter results in an additional contribution to the quantum topological confinement-leading to unconventional vortex configurations. Our Bogoliubov-de Gennes calculations in a square geometry reveal a plethora of asymmetric, giant multivortex, and vortex-antivortex structures, stable over a wide range of parameters and which are very different from those predicted by the Ginzburg-Landau theory. These unconventional states are relevant for high-T-c nanograins, confined Bose-Einstein condensates, and graphene flakes with proximity-induced superconductivity.
  Address
  Corporate Author Thesis
  Publisher Place of Publication (down) New York, N.Y. Editor
  Language Wos 000308295700014 Publication Date 2012-09-05
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0031-9007;1079-7114; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 8.462 Times cited 31 Open Access
  Notes ; This work was supported by the Flemish Science Foundation (FWO-Vlaanderen). ; Approved Most recent IF: 8.462; 2012 IF: 7.943
  Call Number UA @ lucian @ c:irua:101850 Serial 3801
Permanent link to this record
 

 
Author Neyts, E.; Bogaerts, A.; van de Sanden, M.C.M.
  Title Unraveling the deposition mechanism in a-C:H thin-film growth: a molecular-dynamics study for the reaction behavior of C3 and C3H radicals with a-C:H surfaces Type A1 Journal article
  Year 2006 Publication Journal of applied physics Abbreviated Journal J Appl Phys
  Volume 99 Issue 1 Pages 014902,1-8
  Keywords A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher American Institute of Physics Place of Publication (down) New York, N.Y. Editor
  Language Wos 000234607200071 Publication Date 2006-01-23
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0021-8979; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 2.068 Times cited 25 Open Access
  Notes Approved Most recent IF: 2.068; 2006 IF: 2.316
  Call Number UA @ lucian @ c:irua:55831 Serial 3815
Permanent link to this record
 

 
Author Wu, Z.; Zhai, F.; Peeters, F.M.; Xu, H.Q.; Chang, K.
  Title Valley-dependent brewster angles and Goos-Hänchen effect in strained graphene Type A1 Journal article
  Year 2011 Publication Physical review letters Abbreviated Journal Phys Rev Lett
  Volume 106 Issue 17 Pages 176802,1-176802,4
  Keywords A1 Journal article; Condensed Matter Theory (CMT)
  Abstract We demonstrate theoretically how local strains in graphene can be tailored to generate a valley-polarized current. By suitable engineering of local strain profiles, we find that electrons in opposite valleys (K or K′) show different Brewster-like angles and Goos-Hänchen shifts, exhibiting a close analogy with light propagating behavior. In a strain-induced waveguide, electrons in K and K′ valleys have different group velocities, which can be used to construct a valley filter in graphene without the need for any external fields.
  Address
  Corporate Author Thesis
  Publisher Place of Publication (down) New York, N.Y. Editor
  Language Wos 000290100300016 Publication Date 2011-04-29
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0031-9007;1079-7114; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 8.462 Times cited 235 Open Access
  Notes ; This work was supported by the NSF of China and the MOST, the Swedish International Development Cooperation Agency (SIDA), and the Belgian Science Policy (IAP). ; Approved Most recent IF: 8.462; 2011 IF: 7.370
  Call Number UA @ lucian @ c:irua:89715 Serial 3832
Permanent link to this record
 

 
Author Peelaers, H.; Hernández-Nieves, A.D.; Leenaerts, O.; Partoens, B.; Peeters, F.M.
  Title Vibrational properties of graphene fluoride and graphane Type A1 Journal article
  Year 2011 Publication Applied physics letters Abbreviated Journal Appl Phys Lett
  Volume 98 Issue 5 Pages 051914
  Keywords A1 Journal article; Condensed Matter Theory (CMT)
  Abstract The vibrational properties of graphene fluoride and graphane are studied using ab initio calculations. We find that both sp(3) bonded derivatives of graphene have different phonon dispersion relations and phonon densities of states as expected from the different masses associated with the attached atoms of fluorine and hydrogen, respectively. These differences manifest themselves in the predicted temperature behavior of the constant-volume specific heat of both compounds. (C) 2011 American Institute of Physics. [doi:10.1063/1.3551712]
  Address
  Corporate Author Thesis
  Publisher American Institute of Physics Place of Publication (down) New York, N.Y. Editor
  Language Wos 000286988400027 Publication Date 2011-02-02
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0003-6951; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 3.411 Times cited 66 Open Access
  Notes ; This work was supported by the Flemish Science Foundation (FWO-V1), the Belgian Science Policy (IAP), and the collaborative project FWO-MINCyT (Contract No. FW /08/01). A.D.H.-N. is also supported by ANPCyT (under Grant No. PICT2008-2236) ; Approved Most recent IF: 3.411; 2011 IF: 3.844
  Call Number UA @ lucian @ c:irua:105604 Serial 3844
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