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 (1999) Skipping orbits and enhanced resistivity in large diameter InAs/GaSb antidot lattices. Physical Review B 59, R7829.
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We investigated the magnetotransport properties of high-mobility InAs/GaSb antidot lattices. For samples with large antidot diameter, we found a broad maximum of classical origin around 2.5 T in addition to the usual commensurability features at low magnetic fields. The broad maximum can be ascribed to a class of orbits involving multiple reflections on a single antidot. This is shown by both a simple transport calculation based on a classical Kubo formula and an analysis of the Poincaré sections at different magnetic-field values. At low temperatures we observe weak 1/B- periodic oscillations superimposed on the classical maximum.
|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|