| Issue |
Europhys. Lett.
Volume 50, Number 1, April I 2000
|
|
|---|---|---|
| Page(s) | 101 - 106 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2000-00241-3 | |
| Published online | 01 September 2002 | |
Nanomechanical resonators operating as charge detectors in the nonlinear regime
Center for NanoScience and Sektion Physik,
Ludwig-Maximilians-Universität Geschwister-Scholl-Platz 1,
80539 München, Germany
Corresponding author: robert.blick@physik.uni-muenchen.de
Received:
30
August
1999
Accepted:
27
January
2000
We present measurements on nanomechanical resonators machined from
silicon-on-insulator substrates. The resonators are designed as freely
suspended
Au/Si beams of lengths on the order of 1–
and a thickness of
200 nm. The beams are driven into nonlinear response by an applied
modulation at radio frequencies
and a static magnetic field in plane. The strong hysteresis of
the magnetomotive response allows sensitive charge
detection by varying the electrostatic potential of a gate electrode.
PACS: 77.65.Fs – Electromechanical resonance; quartz resonators / 73.40.Gk – Tunneling / 73.23.Hk – Coulomb blockade; single-electron tunneling
© EDP Sciences, 2000
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