Dispersion of the polarization processes in Ca0.32Ba0.68Nb2O6 crystals


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Abstract

The switching processes in calcium barium niobate crystals CaxBa1–xNb2O6 with x = 0.32 have been investigated. The dielectric hysteresis loops observed in the samples exposed to alternating fields of different frequencies and constant amplitude have been analyzed. It is shown that the loop formation is caused by the sample heating. The sample temperature increases due to the dielectric loss energy release only up to a certain frequency, above which complete switching becomes impossible.

About the authors

O. V. Malyshkina

Tver State University

Author for correspondence.
Email: Olga.Malyshkina@mail.ru
Russian Federation, Tver, 170002

A. Yu. Eliseev

Tver State University

Email: Olga.Malyshkina@mail.ru
Russian Federation, Tver, 170002

J. Dec

Institute of Materials Science

Email: Olga.Malyshkina@mail.ru
Poland, Katowice

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