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Title: Magnetotransport in large diameter InAs/GaSb antidot lattices
Authors: Eroms, J
Zitzlsperger, M
Weiss, D
Smet, JH
Albrecht, C
Fleischmann, R
Behet, M
De Boeck, J
Borghs, Gustaaf #
Issue Date: Dec-1998
Publisher: Elsevier science bv
Series Title: Physica B vol:258 pages:409-412
Abstract: We investigated the magnetotransport through high mobility InAs/GaSb antidot lattices with large antidot diameter at different temperatures and varying electron concentrations. In addition to pronounced low-field peaks already known from GaAs antidot lattices, we find an additional broad maximum at fields slightly above 2 T, which is associated with rosetta orbits surrounding one antidot. The results of a numerical analysis based on the classical Kubo formula using a hard-wall potential are in good agreement with experiment. At low temperatures we observe weak, nearly 1/B-periodic oscillations superimposed on this maximum, which may be due to quantized rosetta orbits. (C) 1998 Elsevier Science B.V. All rights reserved.
URI: 
ISSN: 0921-4526
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physics and Astronomy - miscellaneous
# (joint) last author

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