High speed nanotribology with quartz crystal resonators via Atomic Force Microscopy

摘要

Friction measurements in the range of several meters per second are still ofgreat interests. With the atomic force microscopy (AFM), the oscilaltionsituation of the quartz crystal resonators of 3MHz resonance frequency arestudied. And the oscillation speed could reach up to several m/s. Then thefriction measurements are carried out on the Fischer Pattern, which is preparedon the quartz crystal resonator. In this article, we present how to measure theoscillation speeds of the quartz crystal resonator and the frictionmeasurements under different designs. Calibration method and the calculationmethods are also discussed in details. Although there are errors in the AFMmeasurements due to the setup itself and the oscillating quartz which couldhighly affect the sharpness of the cantilever tip, the results indicate thatthe local friction coefficients with oscillation are higher than that withoutoscillation.