Polarization features of Bi12SiO20:Cr and Bi12SiO20:Mn crystals

Authors

  • T. V. Panchenko Oles Honchar Dnipro National University, Dnipro, Ukraine
  • L. M. Karpova Ukrainian State University of Chemical Technology, Dnipro, Ukraine
  • Yu. N. Potapovich Oles Honchar Dnipro National University, Dnipro, Ukraine
  • M. P. Trubitsyn Oles Honchar Dnipro National University, Dnipro, Ukraine

DOI:

https://doi.org/10.15421/332216

Keywords:

Bi12SiO20:Cr and Bi12SiO20:Mn crystals, dielectric permittivity, thermoelectret state, polarization mechanism

Abstract

The effect of impurity ions and polarization conditions on the dielectric characteristics and polarization features of Bi12SiO20 crystals doped with Cr and Mn ions is studied by dielectric spectroscopy in the sound frequency range and by thermoactivation spectroscopy in the temperature range 280 ÷ 800 K. The mechanisms of the observed phenomena are discussed at the atomic level.

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Published

30-12-2022

Issue

Vol. 30 No. 2 (2022)

Section

Articles