Physics of the Solid State
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Study of the piezoelectric properties of rubidium acid phthalate crystals by time-resolved three-crystal X--ray diffractometry
Ibragimov E. S.1,2, Kulikov A. G.1,2, Marchenkov N. V.1,2, Pisarevsky Yu. V.1,2, Blagov A. E.1,2, Kovalchuk M. V.1,2
1Shubnikov Institute of Crystallography “Crystallography and Photonics”, Russian Academy of Sciences, Moscow, Russia
2National Research Center “Kurchatov Institute”, Moscow, Russia
Email: ontonic@gmail.com

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Using the method of time-resolved X-ray diffractometry in a three-crystal scheme, the lattice deformation of a rubidium biphthalate (C8H5RbO4) crystal was measured in an external electric field. Under the action of an external pulsed electric field along the [001] polar direction, the piezoelectric moduli d31,d32, and d33 were determined independently using three reflections 400, 070, and 004; the obtaind values are -32.8±0.6, 12.8±0.3, and 21.8±1.2 pC/N, respectively. A good agreement was found between the values of the piezoelectric moduli obtained in this work and the values obtained earlier by the quasi-static method. Keywords: piezoelectric effect, time-resolved X-ray diffractometry, three-crystal diffraction scheme, acid phthalate crystals, external electric field.
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