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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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