Eroms, Jonathan and Zitzlsperger, M and Weiss, Dieter and Smet, J and Albrecht, C and Fleischmann, R and Behet, M and DeBoeck, J and Borghs, G (1998) Magnetotransport in Large Diameter InAs/GaSb Antidot Lattices. Physica B 256-258, p. 409.
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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.
|Institutions:||Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss|
|Subjects:||500 Science > 530 Physics|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||25 May 2009 13:20|
|Last Modified:||05 Aug 2009 13:57|