Influence of uniaxial pressures on dynamic dielectric characteristics of RbHSO4

2022;
: pp. 711–718
https://doi.org/10.23939/mmc2022.03.711
Received: December 21, 2021
Revised: August 06, 2022
Accepted: August 07, 2022
1
Institute for Condensed Matter Physics of the National Academy of Sciences of Ukraine
2
Lviv Polytechnic National University

Within the modified four-sublattice pseudospin model of deformed RbHSO$_{4}$ ferroelectrics, using the Glauber method and in the mean field approximation we calculate the dynamic dielectric permittivity of a mechanically clamped crystal and explore its dependence on uniaxial  pressures in wide temperature and frequency ranges. A satisfactory quantitative agreement with the experimental data is obtained.

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Mathematical Modeling and Computing, Vol. 9, No. 3, pp. 711–718 (2022)