Abstract
Micromechanical oscillators, or resonators struggle to reach frequencies in the gigahertz range. However, nanoscale oscillators are able to reach these high frequencies and have therefore attracted much attention. The first such oscillator involved multiwalled nanotubes, in which the sliding of the inner-shell inside the outer-shell of a multiwalled carbon nanotube generated frequencies up to several gigahertz. Nano-oscillators can also be generated using other carbon nanomaterials; such as with a C60 fullerene and nanotube, double-walled nanotubes, and nanotube nanobundles. In this chapter, we examine the oscillatory behaviour of various nano-oscillators using the continuum approximation arising from the assumption that the discrete atoms can be smeared across each surface. This chapter utilises calculations for the suction force that are described in Chapter 5.
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