Nanomechanical resonators operating as charge detectors in the nonlinear regime

被引：47

作者：

Krömmer, H

Erbe, A

Tilke, A

Manus, S

Blick, RH

机构：

[1] Univ Munich, Ctr NanoSci, D-80539 Munich, Germany

[2] Univ Munich, Sekt Phys, D-80539 Munich, Germany

来源：

EUROPHYSICS LETTERS | 2000年 / 50卷 / 01期

关键词：

D O I：

10.1209/epl/i2000-00241-3

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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 1-4 mu m and a thickness of 200 nm. The beams are driven into nonlinear response by an applied modulation at radio frequencies;and a static magnet:ic field in plane. The strong hysteresis of the magnetomotive response allows sensitive charge detection by varying the electrostatic potential of a gate electrode.

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页码：101 / 106

页数：6

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