Abstract
Conversion Electron Mössbauer Sideband Spectroscopy is presented as a new and the most accurate method to study the dynamics of piezoelectric polymer materials at high frequencies. With raising amplitude of driven vibrations, complete oscillating behaviour of the Mössbauer sideband-intensities is found. The amplitudes of vibrations can be measured with an accuracy of 0.005 Å. Variations of the piezoelectric constant with temperature and frequency can be determined to better than 1%. Beside piezoelectricity the thermally induced dynamic behaviour of polymer surfaces can also be studied by CEMS.
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The sample of P(VDF/TrFE) was supplied by Daikin Industries, LTD, Osaka Japan.
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Supported by the Deutsche Forschungsgemeinschaft SFB 306.
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Von Eynatten, G., Fukada, E. & Dransfeld, K. The dynamics of piezoelectric polymer materials at high frequencies measured with conversion electron Mössbauer spectroscopy (CEMS). Hyperfine Interact 42, 1095–1098 (1988). https://doi.org/10.1007/BF02395582
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DOI: https://doi.org/10.1007/BF02395582