The Role of Impurity Ions in Nonlinear Dielectric Response Formation of Nematic Liquid Crystal Cell

Authors

  • Fedor Valerievich Podgornov South Ural State University, Chelyabinsk
  • Alina Maratovna Gavrilyak South Ural State University, Chelyabinsk
  • Maksim Vitalievich Gavrilyak South Ural State University, Chelyabinsk; Institute of Electrophysics, Ural Branch of the Russian Academy of Sciences, Ekaterinburg

DOI:

https://doi.org/10.14529/mmph250307

Keywords:

nematic liquid crystals, impurity ions, space charge polarization, double electric layers, nonlinear dielectric spectroscopy

Abstract

The study considers the nonlinear dielectric response of a nematic liquid crystal (NLC). Odd harmonics are found in the dielectric response in the low-frequency region of the spectrum from 0.5 mHz to 600 Hz. The transporting of impurity ions causes two relaxation effects: space charge polarization and the formation of electric double layers.

Author Biographies

Fedor Valerievich Podgornov, South Ural State University, Chelyabinsk

Cand. Sc. (Physics and Mathematics), Associate Professor, Physics of Nanoscale Systems Department

Alina Maratovna Gavrilyak, South Ural State University, Chelyabinsk

Post-graduate Student, Assistant

Maksim Vitalievich Gavrilyak, South Ural State University, Chelyabinsk; Institute of Electrophysics, Ural Branch of the Russian Academy of Sciences, Ekaterinburg

Assistan; Junior Research Fellow

Published

2025-08-14

Issue

Section

Physics