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Integrating suspended quantum dot circuits for applications in nanomechanics

DOI to cite this document:
10.5283/epub.11322
Kirschbaum, J. ; Höhberger, E. M. ; Blick, Robert H. ; Wegscheider, Werner ; Bichler, Max
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Date of publication of this fulltext: 07 Dec 2009 13:28


Abstract

We present an integrated nanoelectromechanical circuit designed for achieving ultrasensitive displacement detection. It consists of a suspended quantum dot defined in the two-dimensional electron system of an AlGaAs/GaAs heterostructure and a mechanical resonator located in close vicinity. Operation of the individual components is demonstrated: Mechanical as well as transport properties of the ...

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