Nanomechanical vibrating wire resonator for phonon spectroscopy in Helium

Details Nanomechanical vibrating wire resonator for phonon spectroscopy in Helium Nanomechanical vibrating wire resonator for phonon spectroscopy in Helium

1999-12-02

arxiv.org/abs/cond-mat/9912039v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4pages, 4 figures

Scientific paper

10.1088/0957-4484/11/3/305

We demonstrate how to build a vibrating wire resonator for phonon excitation in liquid helium. The resonator is designed as a nanoscopic mechanically flexible beam machined out of a semiconductor/metal-hybrid. Quenching of the mechanical resonance around 100 MHz by phonon excitation in liquid ^4He at 4.2 K is shown. First measurements operating the nano-resonator in a dilution of ^3He/^4He at 30 mK are presented.

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