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Magnetotransport measurements on overgrown cleaved edge heterostructures in Hall bar geometry

Lermer, Markus, Reinwald, Elisabeth, Wegscheider, Werner and Weiss, Dieter (2006) Magnetotransport measurements on overgrown cleaved edge heterostructures in Hall bar geometry. Physica E 34 (1-2), pp. 116-119.

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Abstract We present new methods to pattern and characterize the overgrown cleaved egde (CE) of GaAs/AlGaAs heterostructures. Four point measurements, which allow a direct measurement of the magnetotransport coefficients rxx and rxy of a two- dimensional electron system on the CE, have been out of reach so far. By means of novel preparation techniques a contacted Hall bar structure can be ...


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Item type:Article
Date:August 2006
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss
Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider
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Keywords:Ga[Al]As; Cleaved edge overgrowth; Two-dimensional electron system; Superlattice
Dewey Decimal Classification:500 Science > 530 Physics
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:1840
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