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Simultaneously imaging the surface stress and several vibration modes

There is a need for noninvasive techniques for simultaneous imaging of the stress and vibration mode shapes of nanomechanical systems in the fields of scanning probe microscopy, nanomechanical biological and chemical sensors and the semiconductor industry. Here we show a novel technique that combines a scanning laser, the beam deflection method and digital multifrequency excitation and analysis for simultaneous imaging of the static out-of-plane displacement and the shape of five vibration modes of nanomechanical systems.

Javier Tamayo et al, Nanotechnology (2012), 23 315501


Source: http://iopscience.iop.org/0957-4484/23/31/315501?fromSearchPage=true

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