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Curved two-dimensional electron gases

Lorke, Axel ; Böhm, Stefan ; Wegscheider, Werner
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Date of publication of this fulltext: 15 Dec 2009 08:52


Abstract

A method is introduced which makes it possible to fabricate non-planar two-dimensional electron gases. Making use of the “epitaxial lift-off” process, patterned, gated and contacted heterostructures are transferred from their crystalline substrate onto small glass tubes with diameters of a few millimeters. The transport properties of two-dimensional electron gases inside these curved ...

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