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Temperature dependence of the near-wall oscillation of microcantilevers submerged in liquid environment

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2 Author(s)
Kim, S. ; Department of Mechanical, Aerospace, and Biomedical Engineering, University of Tennessee, Knoxville, Tennessee 37996 ; Kihm, K.D.

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This letter presents theoretical and experimental investigations of the temperature effects (30–70 °C) on the frequency responses of three different microcantilevers [thickness (h)/length (L)2=34.7,141,275 m-1] near a solid surface in aqueous liquid. The peak resonance response frequency shifts in the near-wall region are dominated by the temperature effects associated with the pronounced viscous dissipative effect of liquid. A relatively short and thick cantilever with a large value of h/L2 demonstrates higher thermal sensitivity Δf/ΔT in the near-wall region.

Published in:

Applied Physics Letters  (Volume:90 ,  Issue: 8 )