Integrating suspended quantum dot circuits for applications in nanomechanics

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.11322

Kirschbaum, J. ; Höhberger, E. M. ; Blick, Robert H. ; Wegscheider, Werner ; Bichler, Max

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Veröffentlichungsdatum dieses Volltextes: 07 Dez 2009 13:28

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Zusammenfassung

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 ...