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Influence of the depletion length on the commensurability effects in tunable antidots

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Deruelle, T. ; Meurer, B. ; Guldner, Y. ; Vieren, J. ; Riek, M. ; Weiss, Dieter ; Klitzing, K. v. ; Eberl, K. ; Ploog, K.
Date of publication of this fulltext: 05 Aug 2009 13:57


Commensurability effects between the period of an artificial array of scatterers (antidots) in a two-dimensional electron gas and the classical cyclotron radius are found to depend strongly on the size of the antidots in comparison with the period. Magnetotransport experiments on tunable antidot arrays are reported and analyzed. In the region of large depletion zones we find strong ...


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