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Magnetotransport in Large Diameter InAs/GaSb Antidot Lattices

Eroms, Jonathan ; Zitzlsperger, M. ; Weiss, Dieter ; Smet, J. ; Albrecht, C. ; Fleischmann, R. ; Behet, M. ; DeBoeck, J. ; Borghs, G.


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 ...


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