Application of the equipartition theorem to the thermal excitation of quartz tuning forks

URN to cite this document:: urn:nbn:de:bvb:355-epub-219669
DOI to cite this document:: 10.5283/epub.21966

Welker, Joachim ; de Faria Elsner, Frederico ; Giessibl, Franz J.

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Date of publication of this fulltext: 31 Aug 2011 07:44

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Abstract

The deflection signal of a thermally excited force sensor of an atomic force microscope can be analyzed to gain important information about the detector noise and about the validity of the equipartion theorem of thermodynamics. Here, we measured the temperature dependence of the thermal amplitude of a tuning fork and compared it to the expected values based on the equipartition theorem. In doing ...