Mechanical stiffening, bistability, and bit operations in a microcantilever

Details Mechanical stiffening, bistability, and bit operations in a microcantilever Mechanical stiffening, bistability, and bit operations in a microcantilever

2010-11-05

arxiv.org/abs/1011.1309v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

10.1063/1.3511343

We investigate the nonlinear dynamics of microcantilevers. We demonstrate mechanical stiffening of the frequency response at large amplitudes, originating from the geometric nonlinearity. At strong driving the cantilever amplitude is bistable. We map the bistable regime as a function of drive frequency and amplitude, and suggest several applications for the bistable microcantilever, of which a mechanical memory is demonstrated.

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