科研之友
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摘要
The potential of using graphene as a nanomechanical resonator is explored. A graphene-resonator sensor is assumed to be a simply supported rectangular plate. The frequency equation of the sensor with an attached mass is derived analytically using nonlocal elasticity theory. The results indicate that increasing the nonlocal parameter markedly increases the frequency shift of the sensor, and the frequency shift becomes larger as the aspect ratio approaches 1. Therefore, in order to obtain the highest sensitivity, a square geometrical sensor should be used. The mass sensitivity can reach up to 10(-27) g/Hz.
- 出版日期2013-2
