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Author Shpanchenko, R.V.; Tsirlin, A.A.; Hadermann, J.; Antipov, E.V.
Title Synthesis and crystal structure of new titanyl phosphate Sr2TiO(PO4)2 Type A1 Journal article
Year (up) 2008 Publication Russian chemical bulletin Abbreviated Journal Russ Chem B+
Volume 57 Issue 3 Pages 552-556
Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract New strontium titanyl phosphate Sr2TiO(PO4)2 (1) was synthesized and characterized by X-ray powder diffraction, electron diffraction, high-resolution electron microscopy, and band structure calculations. Titanyl phosphate 1 is isostructural with vanadyl phosphate Sr2VO(PO4)2 and has a layered structure. The titanium atoms are shifted from the centers of the TiO6 octahedra and form short (1.74 Å) titanyl bonds. The structure of 1 is an unusual example of the disordered orientation of the chains formed by TiO6 octahedra in complex titanium phosphates.
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos 000263566900015 Publication Date 2009-03-06
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1066-5285;1573-9171; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 0.529 Times cited 2 Open Access
Notes Approved Most recent IF: 0.529; 2008 IF: 0.469
Call Number UA @ lucian @ c:irua:73712 Serial 3423
Permanent link to this record
 
 
Author Malesevic, A.; Vitchev, R.; Schouteden, K.; Volodin, A.; Zhang, L.; Van Tendeloo, G.; Vanhulsel, A.; van Haesendonck, C.
Title Synthesis of few-layer graphene via microwave plasma-enhanced chemical vapour deposition Type A1 Journal article
Year (up) 2008 Publication Nanotechnology Abbreviated Journal Nanotechnology
Volume 19 Issue 30 Pages 305604,1-6
Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Bristol Editor
Language Wos 000256838400014 Publication Date 2008-06-13
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0957-4484;1361-6528; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 3.44 Times cited 309 Open Access
Notes Approved Most recent IF: 3.44; 2008 IF: 3.446
Call Number UA @ lucian @ c:irua:70224 Serial 3455
Permanent link to this record
 
 
Author Yang, Z.Q.; Verbeeck, J.; Schryvers, D.; Tarcea, N.; Popp, J.; Rösler, W.
Title TEM and Raman characterisation of diamond micro- and nanostructures in carbon spherules from upper soils Type A1 Journal article
Year (up) 2008 Publication Diamond and related materials Abbreviated Journal Diam Relat Mater
Volume 17 Issue 6 Pages 937-943
Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract Carbonaceous spherules of millimeter size diameter and found in the upper soils throughout Europe are investigated by TEM, including SAED, HRTEM and EELS, and Raman spectroscopy. The spherules consist primarily of carbon and have an open cell-like internal structure. Most of the carbon appears in an amorphous state, but different morphologies of nano- and microdiamond particles have also been discovered including flake shapes. The latter observation, together with the original findings of some of these spherules in crater-like structures in the landscape and including severely deformed rocks with some spherules being embedded in the fused crust of excavated rocks, points towards unique conditions of origin for these spherules and particles, possibly of exogenic origin. (C) 2008 Elsevier B.V. All rights reserved.
Address
Corporate Author Thesis
Publisher Place of Publication Amsterdam Editor
Language Wos 000256940800005 Publication Date 2008-02-14
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0925-9635; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 2.561 Times cited 26 Open Access
Notes GAO project Approved Most recent IF: 2.561; 2008 IF: 2.092
Call Number UA @ lucian @ c:irua:68518 Serial 3474
Permanent link to this record
 
 
Author Willems, B.L.; Taylor, D.M.J.; Fritzsche, J.; Malfait, M.; Vanacken, J.; Moshchalkov, V.V.; Montoya, E.; Van Tendeloo, G.
Title Temperature and magnetic field dependence of the voltagein GaAs films with superconducting Ga grains Type A1 Journal article
Year (up) 2008 Publication European physical journal : B : condensed matter and complex systems Abbreviated Journal Eur Phys J B
Volume 66 Issue 1 Pages 25-28
Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract We have studied granular films consisting of nanoscale Ga droplets formed on GaAs films via a method of vacuum annealing to promote As evaporation. For temperatures and magnetic fields below the bulk Ga critical parameters, the samples are very sensitive towards external microwave radiation when two point voltage measurements are performed. Together with the observation of an oscillating magnetic field dependence of the voltage, a scenario in which the samples consist of Josephson-coupled loops seems to be the most likely one for explaining the obtained results.
Address
Corporate Author Thesis
Publisher Place of Publication Berlin Editor
Language Wos 000262831300004 Publication Date 2008-10-11
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1434-6028;1434-6036; ISBN Additional Links UA library record; WoS full record
Impact Factor 1.461 Times cited Open Access
Notes Approved Most recent IF: 1.461; 2008 IF: 1.568
Call Number UA @ lucian @ c:irua:75997 Serial 3496
Permanent link to this record
 
 
Author d' Hondt, H.; Abakumov, A.M.; Hadermann, J.; Kalyuzhnaya, A.S.; Rozova, M.G.; Antipov, E.V.; Van Tendeloo, G.
Title Tetrahedral chain order in the Sr2Fe2O5 brownmillerite Type A1 Journal article
Year (up) 2008 Publication Chemistry of materials Abbreviated Journal Chem Mater
Volume 20 Issue 22 Pages 7188-7194
Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract The crystal structure of the Sr2Fe2O5 brownmillerite has been investigated using electron diffraction and high resolution electron microscopy. The Sr2Fe2O5 structure demonstrates two-dimensional order: the tetrahedral chains with two mirror-related configurations (L and R) are arranged within the tetrahedral layers according to the −L−R−L−R− sequence, and the layers themselves are displaced with respect to each other over 1/2[111] or 1/2[11] vectors of the brownmillerite unit cell, resulting in different ordered stacking variants. A unified superspace model is constructed for ordered stacking sequences in brownmillerites based on the average brownmillerite structure with a = 5.5298(4)Å, b = 15.5875(12)Å, c = 5.6687(4)Å, and (3 + 1)-dimensional superspace group I2/m(0βγ)0s, q = βb* + γc*, 0 ≤ β ≤ 1/2, 0 ≤ γ ≤ 1.
Address
Corporate Author Thesis
Publisher Place of Publication Washington, D.C. Editor
Language Wos 000261002200039 Publication Date 2008-10-25
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0897-4756;1520-5002; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 9.466 Times cited 64 Open Access
Notes Iap Vi Approved Most recent IF: 9.466; 2008 IF: 5.046
Call Number UA @ lucian @ c:irua:72945 Serial 3511
Permanent link to this record
 
 
Author Arakcheeva, A.; Pattison, P.; Chapuis, G.; Rossell, M.; Filaretov, A.; Morozov, V.; Van Tendeloo, G.
Title KSm(MoO4)2, an incommensurately modulated and partially disordered scheelite-like structure Type A1 Journal article
Year (up) 2008 Publication Acta crystallographica: section B: structural science Abbreviated Journal Acta Crystallogr B
Volume 64 Issue Part 2 Pages 160-171
Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract The incommensurately modulated scheelite-like KSm( MoO4)(2) structure has been refined in the monoclinic superspace group I2/b(alpha beta 0)00 by the Rietveld method on the basis of synchrotron radiation powder diffraction data. The systematic broadening of satellite reflections has been accounted for by applying anisotropic microstrain line-broadening. The microstructure has been studied by transmission electron microscopy (TEM). The partial disorder of the K and Sm cations in the A position is best approximated by a combination of harmonic and complex crenel functions with (0.952Sm + 0.048K) and (0.952K + 0.048Sm) atomic domains. This combination yields a compositional wave distribution from {KMoO4} to {SmMoO4} observed in the ab structure projection along q. The specific features of KSm(MoO4)(2) and degree of the A-cation ordering are discussed in comparison with the previously reported structure of KNd(MoO4)(2).
Address
Corporate Author Thesis
Publisher Place of Publication Copenhagen Editor
Language Wos 000253992600004 Publication Date 2008-03-28
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0108-7681; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor Times cited 23 Open Access
Notes Approved Most recent IF: NA
Call Number UA @ lucian @ c:irua:102618 Serial 3539
Permanent link to this record
 
 
Author Verbeeck, J.; Bertoni, G.; Schattschneider, P.
Title The Fresnel effect of a defocused biprism on the fringes in inelastic holography Type A1 Journal article
Year (up) 2008 Publication Ultramicroscopy T2 – 16th International Microscopy Congress, SEP 03-08, 2006, Sapporo, JAPAN Abbreviated Journal Ultramicroscopy
Volume 108 Issue 3 Pages 263-269
Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract We present energy filtered holography experiments on a thin foil of Al. By propagating the reduced density matrix of the probe electron through the microscope, we quantitatively predict the fringe contrast as a function of energy loss. Fringe contrast simulations include the effect of Fresnel fringes created at the edges of the defocused biprism, the effect of partial coherence in combination with inelastic scattering, and the effect of a finite energy distribution of the incoming beam. (c) 2007 Elsevier B.V. All rights reserved.
Address
Corporate Author Thesis
Publisher Place of Publication Amsterdam Editor
Language Wos 000253389100011 Publication Date 2007-11-02
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0304-3991; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 2.843 Times cited 15 Open Access
Notes Fwo G.0147.06; Esteem 026019 Approved Most recent IF: 2.843; 2008 IF: 2.629
Call Number UA @ lucian @ c:irua:104035 Serial 3582
Permanent link to this record
 
 
Author Kosimov, D.P.; Dzhurakhalov, A.A.; Peeters, F.M.
Title Theoretical study of the stable states of small carbon clusters Cn (n=210) Type A1 Journal article
Year (up) 2008 Publication Physical review : B : solid state Abbreviated Journal Phys Rev B
Volume 78 Issue 23 Pages 235433,1-235433,8
Keywords A1 Journal article; Condensed Matter Theory (CMT); Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
Abstract Both even- and odd-numbered neutral carbon clusters Cn (n=210) are systematically studied using the energy minimization method and the modified Brenner potential for the carbon-carbon interactions. Many stable configurations were found, and several new isomers are predicted. For the lowest energy stable configurations we obtained their binding energies and bond lengths. We found that for n5 the linear isomer is the most stable one while for n>5 the monocyclic isomer becomes the most stable. The latter was found to be regular for all studied clusters. The dependence of the binding energy for linear and cyclic clusters versus the cluster size n (n=210) is found to be in good agreement with several previous calculations, in particular with ab initio calculations as well as with experimental data for n=25.
Address
Corporate Author Thesis
Publisher Place of Publication Lancaster, Pa Editor
Language Wos 000262245400119 Publication Date 2008-12-24
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1098-0121;1550-235X; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 3.836 Times cited 35 Open Access
Notes Approved Most recent IF: 3.836; 2008 IF: 3.322
Call Number UA @ lucian @ c:irua:76006 Serial 3613
Permanent link to this record
 
 
Author Michel, K.H.; Verberck, B.
Title Theory of the elastic constants of graphite and graphene Type A1 Journal article
Year (up) 2008 Publication Physica status solidi: B: basic research Abbreviated Journal Phys Status Solidi B
Volume 245 Issue 10 Pages 2177-2180
Keywords A1 Journal article; Condensed Matter Theory (CMT)
Abstract Born's long wave method is used to study the elastic properties of graphite and graphene. Starting from an empirical force constant model derived from full inplane phonon dispersions of graphite [Mohr et al., Phys. Rev. B 76, 035439 (2007)] we calculate the tension coefficients of graphene. Extending the model by interplanar interactions, we calculate the elastic constants of graphite. The agreement of our theoretical values with inelastic x-ray scattering results on elastic constants of graphite [Bosak et al., Phys. Rev. B 75, 153408 (2007)] is very satisfactory.
Address
Corporate Author Thesis
Publisher Place of Publication Berlin Editor
Language Wos 000260581800066 Publication Date 2008-08-25
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0370-1972; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 1.674 Times cited 47 Open Access
Notes Approved Most recent IF: 1.674; 2008 IF: 1.166
Call Number UA @ lucian @ c:irua:75660 Serial 3621
Permanent link to this record
 
 
Author Michel, K.H.; Verberck, B.
Title Theory of the evolution of phonon spectra and elastic constants from graphene to graphite Type A1 Journal article
Year (up) 2008 Publication Physical review : B : solid state Abbreviated Journal Phys Rev B
Volume 78 Issue 8 Pages 085424,1-085424,17
Keywords A1 Journal article; Condensed Matter Theory (CMT)
Abstract We present a unified theory of the phonon dispersions and elastic properties of graphene, graphite, and graphene multilayer systems. Starting from a fifth-nearest-neighbor force-constant model derived from full in-plane phonon dispersions of graphite [Mohr et al., Phys. Rev. B 76, 035439 (2007)], we use Born's long-wave method to calculate the tension and bending coefficients of graphene. Extending the model by interplanar interactions, we study the phonon dispersions and the elastic constants of graphite, and the phonon spectra of graphene multilayers. We find that the inner displacement terms due to sublattice shifts between inequivalent C atoms are quantitatively important in determining the elastomechanical properties of graphene and of graphite. The overall agreement between theory and experiment is very satisfactory. We investigate the evolution from graphene to graphite by studying the increase in the rigid plane optical mode as a function of the number of layers N. At N=10 the graphite value B2g1127 cm−1 is attained within a few percent.
Address
Corporate Author Thesis
Publisher Place of Publication Lancaster, Pa Editor
Language Wos 000259406900106 Publication Date 2008-08-21
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1098-0121;1550-235X; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 3.836 Times cited 72 Open Access
Notes Approved Most recent IF: 3.836; 2008 IF: 3.322
Call Number UA @ lucian @ c:irua:76527 Serial 3622
Permanent link to this record
 
 
Author Geurts, R.; Milošević, M.V.; Peeters, F.M.
Title Topologically trapped vortex molecules in Bose-Einstein condensates Type A1 Journal article
Year (up) 2008 Publication Physical review : A : atomic, molecular and optical physics Abbreviated Journal Phys Rev A
Volume 78 Issue 5 Pages 053610,1-053610,5
Keywords A1 Journal article; Condensed Matter Theory (CMT)
Abstract In a numerical experiment based on Gross-Pitaevskii formalism, we demonstrate unique topological quantum coherence in optically trapped Bose-Einstein condensates (BECs). Exploring the fact that vortices in a rotating BEC can be pinned by a geometric arrangement of laser beams, we show the parameter range in which vortex-antivortex molecules or multiquantum vortices are formed as a consequence of the optically imposed symmetry. Being low-energy states, we discuss the conditions for spontaneous nucleation of these unique molecules and their direct experimental observation, and provoke the potential use of the phase print of an antivortex or a multiquantum vortex when realized in unconventional circumstances.
Address
Corporate Author Thesis
Publisher Place of Publication Lancaster, Pa Editor
Language Wos 000261215600127 Publication Date 2008-11-06
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1050-2947;1094-1622; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 2.925 Times cited 12 Open Access
Notes Approved Most recent IF: 2.925; 2008 IF: 2.908
Call Number UA @ lucian @ c:irua:73184 Serial 3679
Permanent link to this record
 
 
Author Doria, M.M.; Romaguera, A.R. de C.; Milošević, M.V.; Peeters, F.M.
Title Triplet vortex state in magnetic superconductors: effects of boundaries Type A1 Journal article
Year (up) 2008 Publication Physica: C : superconductivity Abbreviated Journal Physica C
Volume 468 Issue 7-10 Pages 572-575
Keywords A1 Journal article; Condensed Matter Theory (CMT)
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Amsterdam Editor
Language Wos 000257355300016 Publication Date 2008-03-11
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0921-4534; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 1.404 Times cited 1 Open Access
Notes Approved Most recent IF: 1.404; 2008 IF: 0.740
Call Number UA @ lucian @ c:irua:69622 Serial 3736
Permanent link to this record
 
 
Author Zhang, Z.Z.; Peeters, F.M.
Title Tuning of energy levels and optical properties of graphene quantum dots Type A1 Journal article
Year (up) 2008 Publication Physical review : B : condensed matter and materials physics Abbreviated Journal Phys Rev B
Volume 77 Issue Pages 235411,1-5
Keywords A1 Journal article; Condensed Matter Theory (CMT)
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Lancaster, Pa Editor
Language Wos 000257289500101 Publication Date 2008-06-06
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1098-0121;1550-235X; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 3.836 Times cited 228 Open Access
Notes Approved Most recent IF: 3.836; 2008 IF: 3.322
Call Number UA @ lucian @ c:irua:69638 Serial 3750
Permanent link to this record
 
 
Author Mlinar, V.; Peeters, F.M.
Title Tuning of the optical properties of (11k) grown InAs quantum dots by the capping layer Type A1 Journal article
Year (up) 2008 Publication Microelectronics journal Abbreviated Journal Microelectron J
Volume 39 Issue 3-4 Pages 359-361
Keywords A1 Journal article; Condensed Matter Theory (CMT)
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Luton Editor
Language Wos 000255600600013 Publication Date 2007-09-05
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0026-2692; ISBN Additional Links UA library record; WoS full record
Impact Factor 1.163 Times cited Open Access
Notes Approved Most recent IF: 1.163; 2008 IF: 0.859
Call Number UA @ lucian @ c:irua:68849 Serial 3753
Permanent link to this record
 
 
Author Paulussen, S.; Sels, B.; Bogaerts, A.; Paul, J.
Title Een tweede leven voor broeikasgassen? Type A2 Journal article
Year (up) 2008 Publication Het ingenieursblad : maandblad van de Koninklijke Vlaamse Ingenieursvereniging KVIV Abbreviated Journal
Volume 77 Issue 3 Pages 16-20
Keywords A2 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Antwerpen Editor
Language Wos Publication Date 0000-00-00
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0020-1235 ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved Most recent IF: NA
Call Number UA @ lucian @ c:irua:82308 Serial 3765
Permanent link to this record
 
 
Author Payette, C.; Austing, D.G.; Yu, G.; Gupta, J.A.; Nair, S.V.; Partoens, B.; Amaha, S.; Tarucha, S.
Title Two-level anti-crossings high up in the single-particle energy spectrum of a quantum dot Type A1 Journal article
Year (up) 2008 Publication Physica. E: Low-dimensional systems and nanostructures Abbreviated Journal Physica E
Volume 40 Issue 6 Pages 1807-1810
Keywords A1 Journal article; Condensed Matter Theory (CMT)
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos 000255717400010 Publication Date 2007-09-22
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1386-9477; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 2.221 Times cited 8 Open Access
Notes Approved Most recent IF: 2.221; 2008 IF: 1.230
Call Number UA @ lucian @ c:irua:69132 Serial 3783
Permanent link to this record
 
 
Author Solís, C.; Rossell, M.D.; Garcia, G.; Van Tendeloo, G.; Santiso, J.
Title Unusual strain accommodation and conductivity enhancement by structure modulation variations in Sr4Fe6O12+\delta epitaxial films Type A1 Journal article
Year (up) 2008 Publication Advanced functional materials Abbreviated Journal Adv Funct Mater
Volume 18 Issue 5 Pages 785-793
Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Weinheim Editor
Language Wos 000254448400014 Publication Date 2008-03-11
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1616-301X;1616-3028; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 12.124 Times cited 10 Open Access
Notes Iap V-1; Gbou Approved Most recent IF: 12.124; 2008 IF: 6.808
Call Number UA @ lucian @ c:irua:70039 Serial 3818
Permanent link to this record
 
 
Author Malesevic, A.; Kemps, R.; Zhang, L.; Erni, R.; Van Tendeloo, G.; Vanhulsel, A.; van Haesendonck, C.
Title A versatile plasma tool for the synthesis of carbon nanotubes and few-layer graphene sheets Type A1 Journal article
Year (up) 2008 Publication Journal of optoelectronics and advanced materials Abbreviated Journal J Optoelectron Adv M
Volume 10 Issue 8 Pages 2052-2055
Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Bucharest Editor
Language Wos Publication Date 0000-00-00
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1454-4164 ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 0.449 Times cited Open Access
Notes Approved Most recent IF: 0.449; 2008 IF: 0.577
Call Number UA @ lucian @ c:irua:70636 Serial 3839
Permanent link to this record
 
 
Author Zhao, H.J.; Misko, V.R.; Peeters, F.M.; Dubonos, G.; Oboznov, V.; Grigorieva, I.V.
Title Vortex configurations in mesoscopic superconducting triangles: finite-size and shape effects Type A1 Journal article
Year (up) 2008 Publication Europhysics letters Abbreviated Journal Epl-Europhys Lett
Volume 83 Issue 1 Pages 17008,1-17008,6
Keywords A1 Journal article; Condensed Matter Theory (CMT)
Abstract Triangular-shaped mesoscopic superconductors are consistent with the symmetry of the Abrikosov vortex lattice resulting in a high stability of vortex patterns for commensurate vorticities. However, for non-commensurate vorticities, vortex configurations in triangles are not compatible with the sample shape. Here we present the first direct observation of vortex configurations in ìm-sized niobium triangles using the Bitter decoration technique, and we analyze the vortex states in triangles by analytically solving the London equations and performing molecular-dynamics simulations. We found that filling rules with increasing vorticity can be formulated for triangles in a similar way as for mesoscopic disks where vortices form shells.
Address
Corporate Author Thesis
Publisher Place of Publication Paris Editor
Language Wos 000259020300030 Publication Date 2008-06-17
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0295-5075;1286-4854; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 1.957 Times cited 29 Open Access
Notes Approved Most recent IF: 1.957; 2008 IF: 2.203
Call Number UA @ lucian @ c:irua:76488 Serial 3863
Permanent link to this record
 
 
Author Zhao, H.J.; Misko, V.R.; Peeters, F.M.; Oboznov, V.; Dubonos, S.V.; Grigorieva, I.V.
Title Vortex states in mesoscopic superconducting squares: formation of vortex shells Type A1 Journal article
Year (up) 2008 Publication Physical review : B : condensed matter and materials physics Abbreviated Journal Phys Rev B
Volume 78 Issue 10 Pages 104517
Keywords A1 Journal article; Condensed Matter Theory (CMT)
Abstract We analyze theoretically and experimentally vortex configurations in mesoscopic superconducting squares. Our theoretical approach is based on the analytical solution of the London equation using Green's-function method. The potential-energy landscape found for each vortex configuration is then used in Langevin-type molecular-dynamics simulations to obtain stable vortex configurations. Metastable states and transitions between them and the ground state are analyzed. We present our results of the first direct visualization of vortex patterns in micrometer-sized Nb squares, using the Bitter decoration technique. We show that the filling rules for vortices in squares with increasing applied magnetic field can be formulated, although in a different manner than in disks, in terms of formation of vortex “shells”.
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos 000259690400093 Publication Date 2008-09-18
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1098-0121;1550-235X; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 3.836 Times cited 39 Open Access
Notes Approved Most recent IF: 3.836; 2008 IF: 3.322
Call Number UA @ lucian @ c:irua:102608 Serial 3890
Permanent link to this record
 
 
Author Anisimovas, E.; Tavernier, M.B.; Peeters, F.M.
Title Vortex structure of few-electron quantum dots Type A1 Journal article
Year (up) 2008 Publication Physica. E: Low-dimensional systems and nanostructures Abbreviated Journal Physica E
Volume 40 Issue 5 Pages 1621-1623
Keywords A1 Journal article; Condensed Matter Theory (CMT)
Abstract
Address
Corporate Author Thesis
Publisher North-Holland Place of Publication Amsterdam Editor
Language Wos 000254646400215 Publication Date 2007-11-09
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1386-9477; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 2.221 Times cited 1 Open Access
Notes Approved Most recent IF: 2.221; 2008 IF: 1.230
Call Number UA @ lucian @ c:irua:69626 Serial 3894
Permanent link to this record
 
 
Author Chen, Y.; Doria, M.M.; Peeters, F.M.
Title Vortices in a mesoscopic cone: a superconducting tip in the presence of an applied field Type A1 Journal article
Year (up) 2008 Publication Physical review : B : condensed matter and materials physics Abbreviated Journal Phys Rev B
Volume 77 Issue Pages 054511,1-13
Keywords A1 Journal article; Condensed Matter Theory (CMT)
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Lancaster, Pa Editor
Language Wos 000253764000095 Publication Date 2008-02-26
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1098-0121;1550-235X; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 3.836 Times cited 19 Open Access
Notes Approved Most recent IF: 3.836; 2008 IF: 3.322
Call Number UA @ lucian @ c:irua:69628 Serial 3900
Permanent link to this record
 
 
Author Masir, M.R.; Vasilopoulos, P.; Peeters, F.M.
Title Wavevector filtering through single-layer and bilayer graphene with magnetic barrier structures Type A1 Journal article
Year (up) 2008 Publication Applied physics letters Abbreviated Journal Appl Phys Lett
Volume 93 Issue 24 Pages 242103,1-242103,3
Keywords A1 Journal article; Condensed Matter Theory (CMT)
Abstract We show that the angular range of the transmission through magnetic barrier structures can be efficiently controlled in single-layer and bilayer graphenes and this renders the structures efficient wavevector filters. As the number of magnetic barriers increases, this range shrinks, the gaps in the transmission versus energy become wider, and the conductance oscillates with the Fermi energy.
Address
Corporate Author Thesis
Publisher American Institute of Physics Place of Publication New York, N.Y. Editor
Language Wos 000261896400032 Publication Date 2008-12-15
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 91 Open Access
Notes Approved Most recent IF: 3.411; 2008 IF: 3.726
Call Number UA @ lucian @ c:irua:75931 Serial 3910
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Author Seftel, E.M.; Popovici, E.; Mertens, M.; de Witte, K.; Van Tendeloo, G.; Cool, P.; Vansant, E.F.
Title Zn-Al layered double hydroxides: synthesis, characterization and photocatalytic application Type A1 Journal article
Year (up) 2008 Publication Microporous and mesoporous materials: zeolites, clays, carbons and related materials Abbreviated Journal Micropor Mesopor Mat
Volume 113 Issue 1/3 Pages 296-304
Keywords A1 Journal article; Laboratory of adsorption and catalysis (LADCA); Electron microscopy for materials research (EMAT)
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos 000257362100035 Publication Date 2007-12-05
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1387-1811; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 3.615 Times cited 154 Open Access
Notes Approved Most recent IF: 3.615; 2008 IF: 2.555
Call Number UA @ lucian @ c:irua:68281 Serial 3934
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Author Covaci, L.; Berciu, M.
Title Survival of the Dirac points in rippled graphene Type A1 Journal article
Year (up) 2008 Publication Physical Review Letters Abbreviated Journal Phys Rev Lett
Volume 100 Issue 25 Pages 256405
Keywords A1 Journal article; Electron Microscopy for Materials Science (EMAT);
Abstract We study the effects of the rippling of a graphene sheet on quasiparticle dispersion. This is achieved using a generalization to the honeycomb lattice of the momentum average approximation, which is accurate for all coupling strengths and at all energies. We show that even though the position of the Dirac points may move and the Fermi speed can be renormalized significantly, quasiparticles with very long lifetimes survive near the Dirac points even for very strong couplings.
Address Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada, V6T 1Z1
Corporate Author Thesis
Publisher Place of Publication Editor
Language English Wos 000257230500047 Publication Date 2008-06-26
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0031-9007 ISBN Additional Links
Impact Factor 8.462 Times cited 15 Open Access
Notes Approved Most recent IF: 8.462; 2008 IF: 7.180
Call Number UA @ lucian @ Serial 4010
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Author Marchand, D.; Covaci, L.; Berciu, M.; Franz, M.
Title Giant proximity effect in a phase-fluctuating superconductor Type A1 Journal article
Year (up) 2008 Publication Physical Review Letters Abbreviated Journal Phys Rev Lett
Volume 101 Issue 9 Pages 097004
Keywords A1 Journal article
Abstract When a tunneling barrier between two superconductors is formed by a normal material that would be a superconductor in the absence of phase fluctuations, the resulting Josephson effect can undergo an enormous enhancement. We establish this novel proximity effect by a general argument as well as a numerical simulation and argue that it may underlie recent experimental observations of the giant proximity effect between two cuprate superconductors separated by a barrier made of the same material rendered normal by severe underdoping.
Address Department of Physics and Astronomy, University of British Columbia, Vancouver, BC, Canada V6T 1Z1
Corporate Author Thesis
Publisher Place of Publication Editor
Language English Wos 000259195800055 Publication Date 2008-08-28
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0031-9007 ISBN Additional Links
Impact Factor 8.462 Times cited 17 Open Access
Notes Approved Most recent IF: 8.462; 2008 IF: 7.180
Call Number UA @ lucian @ Serial 4433
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Author Dzhurakhalov, A.A.; Atanasov, I.; Hou, M.
Title Calculation of binary and ternary metallic immiscible clusters with icosahedral structures Type A1 Journal article
Year (up) 2008 Publication Physical review : B : condensed matter and materials physics Abbreviated Journal Phys Rev B
Volume Issue Pages 115415
Keywords A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
Abstract Recently, core-shell Ag-Co, Ag-Cu, and “onionlike” Cu-Co equilibrium configurations were predicted in the case of isolated face centered cubic (fcc) bimetallic clusters, and three shell onionlike configurations were predicted in the case of ternary metallic clusters with spherical and truncated octahedral morphologies. In the present paper, immiscible binary CuCo and ternary AgCuCo clusters with icosahedral structures are studied as functions of their size and composition. Clusters studied are formed by 13, 55, 147, 309, and 561 atoms corresponding to the five smallest possible closed shell icosahedral structures. An embedded atom model potential is used to describe their cohesion. Equilibrium configurations are investigated by means of Metropolis Monte Carlo free energy minimization in the (NPT) canonical ensemble. Most simulations are achieved at 10 and 300 K. The effect of temperature on segregation ordering is systematically investigated. Selected cases are used to identify the effect of size and composition on melting. In contrast with fcc clusters, homogeneous onionlike configurations of binary clusters are not predicted. When it is allowed by the composition, a complete outer shell is formed by Cu in binary Cu-Co clusters and by Ag in ternary Ag-Cu-Co clusters. Depending on temperature, Co may precipitate into decahedral groups under the Cu vertices of the icosahedra in binary clusters, while the Co-Cu configuration in ternary clusters drastically depends on the Ag coating. Despite the multicomponent character of the clusters and the immiscibility of the species forming them, for most compositions and sizes, equilibrium structures remain close to perfectly icosahedral at 10 K as well as at 300 K.
Address
Corporate Author Thesis
Publisher Place of Publication Lancaster, Pa Editor
Language Wos 000254542800167 Publication Date 2008-03-11
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1098-0121; 1550-235x ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 3.836 Times cited 11 Open Access
Notes Approved Most recent IF: 3.836; 2008 IF: 3.322
Call Number UA @ lucian @ c:irua:104033 Serial 4517
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Author Van Aert, S.; Bals, S.; Chang, L.Y.; den Dekker, A.J.; Kirkland, A.I.; Van Dyck, D.; Van Tendeloo, G.
Title The benefits of statistical parameter estimation theory for quantitative interpretation of electron microscopy data Type H1 Book chapter
Year (up) 2008 Publication Abbreviated Journal
Volume Issue Pages 97-98
Keywords H1 Book chapter; Electron microscopy for materials research (EMAT); Vision lab
Abstract
Address
Corporate Author Thesis
Publisher Springer Place of Publication Berlin Editor
Language Wos Publication Date 2009-03-17
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN ISBN 978-3-540-85154-7 Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved Most recent IF: NA
Call Number UA @ lucian @ c:irua:136865 Serial 4493
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Author de Nolf, W.; Jaroszewicz, J.; Janssens, K.; Falkenberg, G.
Title 2θ-resolution obtainable during – XRPD experiments at Beamline L Type H3 Book chapter
Year (up) 2008 Publication Abbreviated Journal
Volume Issue Pages 1655-1656
Keywords H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos Publication Date
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 Most recent IF: NA
Call Number UA @ admin @ c:irua:74477 Serial 5447
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Author Jaroszewicz, J.; de Nolf, W.; Janssens, K.; Michalski, A.; Falkenberg, G.
Title Advantages of combined mu-XRF and mu-XRD for phase characterization of Ti-B-C ceramics compared with conventional X-ray diffraction Type A1 Journal article
Year (up) 2008 Publication Analytical and bioanalytical chemistry Abbreviated Journal Anal Bioanal Chem
Volume 391 Issue 4 Pages 1129-1133
Keywords A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos 000256088700005 Publication Date 2008-05-05
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1618-2642 ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 3.431 Times cited 7 Open Access
Notes Approved Most recent IF: 3.431; 2008 IF: 3.328
Call Number UA @ admin @ c:irua:69317 Serial 5459
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