Hydrostatic Pressure Effect on Relaxation of Quasi-One-Dimensional GPI Ferroelectric | Zendy

І. Р. Зачек | Zendy; Р. Р. Левицкий | Zendy; A. S. Vdovych | Zendy

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Hydrostatic Pressure Effect on Relaxation of Quasi-One-Dimensional GPI Ferroelectric

Author(s) -

І. Р. Зачек,

Р. Р. Левицкий,

A. S. Vdovych

Publication year - 2017

Publication title -

physics and chemistry of solid state

Language(s) - English

Resource type - Journals

eISSN - 2309-8589

pISSN - 1729-4428

DOI - 10.15330/pcss.18.2.236-242

Subject(s) - ferroelectricity , permittivity , hydrostatic pressure , dielectric , materials science , relaxation (psychology) , condensed matter physics , glauber , tensor (intrinsic definition) , dielectric permittivity , hydrostatic equilibrium , range (aeronautics) , optics , physics , thermodynamics , composite material , optoelectronics , mathematics , quantum mechanics , scattering , psychology , social psychology , pure mathematics

Dynamic model of deformed quasi-one-dimensional ferroelectrics with hydrogen bonds is proposed. On the basis of this model within the two-particle cluster approximation with taking into account short-range and long-range interactions and strains ei and e5 in the frames of Glauber method a dynamic dielectric permittivity of mechanically clamped crystal is calculated. Hydrostatic pressure effect on temperature and frequency dependences of the components of dynamic dielectric permittivity tensor of GPI ferroelectric is investigated. Key words: ferroelectrics, cluster approximation, dynamic dielectric permittivity, hydrostatic pressure.

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