Höhberger, E. M. and Lorke, A. and Wegscheider, Werner and Bichler, Max (2001) Adiabatic pumping of two-dimensional electrons in a ratchet-type lateral superlattice. Applied Physics Letters 78 (19), pp. 2905-2907.
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A pair of interdigitated gates, interlacing off center, is used to generate a widely tunable one-dimensional lateral superlattice in the two-dimensional electron gas at a GaAs/AlGaAs heterointerface. Magnetotransport measurements with statically biased gates demonstrate that the conduction-band modulation is strongly influenced by higher harmonics, thus allowing the realization of both symmetric ...
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|Date:||7 May 2001|
|Institutions:||Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Werner Wegscheider|
|Subjects:||500 Science > 530 Physics|
|Created at the University of Regensburg:||Unknown|
|Deposited On:||30 Nov 2009 13:42|
|Last Modified:||13 Mar 2014 12:12|