G. I. Ovchinnikova, I. Yu. Polyakova, E. S. Ivanova, R. V. Gainutdinov, N. V. Belugina, A. L. Tolstikhina, V. V. Grebenev, “Influence of the electrical conductivity on dielectric characteristics of a triglycine sulfate crystal over a wide frequency range”, Fizika Tverdogo Tela, 2015, Volume 57, Issue 3,Pages <nobr>531

This article is cited in 6 papers

Proceedings of the XX All-Russia Conference on Physics of Ferroelectrics (VKS-XX)

Influence of the electrical conductivity on dielectric characteristics of a triglycine sulfate crystal over a wide frequency range

G. I. Ovchinnikova^a, I. Yu. Polyakova^a, E. S. Ivanova^b, R. V. Gainutdinov^b, N. V. Belugina^b, A. L. Tolstikhina^b, V. V. Grebenev^b

^a Lomonosov Moscow State University
^b Institute of Cristallography Russian Academy of Sciences, Moscow

Abstract: The dielectric spectra of ferroelectric triglycine sulfate crystals were measured in the frequency range from 10 to 10$^{11}$ Hz and analyzed based on the concept of a significant contribution of the conductive component to the dielectric response of ferroelectrics. Images of lenticular ferroelectric domains in sulfate triglycine crystals were obtained using scanning spreading resistance atomic force microscopy, and background currents (10$^{-14}$ A) and currents at domain walls (10$^{-12}$ A) were measured. It was shown that the inclusion of the contribution from the electrical conductivity to the dielectric spectra is in good agreement with the experimental data and provides additional information on the temperature dynamics of the domain structure.