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Critical Currents in quantum Hall conductors with antidot arrays

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Nachtwei, G. ; Liu, Z. ; Lütjering, G. ; Gerhardts, R. ; Weiss, Dieter ; Klitzing, K. ; Eberl, K.
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Date of publication of this fulltext: 05 Aug 2009 13:57


We have investigated the abrupt onset of dissipation in the quantum Hall effect (QHE) in antidot arrays patterned on a two- dimensional electron system. Different lateral configurations (periodic or aperiodic antidot arrays, and single lines of antidots, with diameters between 40 and 100 nm and periods or average spacings between 300 and 1500 nm) show remarkable differences in their ...


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