Temperature dynamics of triglycine sulfate domain structure according to atomic force microscopy and dielectric spectroscopy data


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Abstract

A hydrogen-containing ferroelectric triglycine sulfate (TGS) was comprehensively studied with an atomic force microscopy (AFM) and dielectric spectroscopy. The domain structure dynamics was in situ investigated with piezoresponse force microscopy (PFM) during heating and cooling the TGS crystal near phase transition. Relaxation dependencies of domain boundaries general perimeter and domain dimensions were obtained. TGS dielectric spectra measured at the frequency range from 10 to 1011 Hz were analyzed on basis of significant contribution of conductivity into the dielectric response of ferroelectrics and a good agreement with the experimental data was received. It allows us to obtain more information about temperature dynamics of the domain structure.

About the authors

G. I. Ovchinnikova

Moscow State University

Email: alla@ns.crys.ras.ru
Russian Federation, Moscow, 119991

N. V. Belugina

Shubnikov Institute of Crystallography

Email: alla@ns.crys.ras.ru
Russian Federation, Moscow

R. V. Gainutdinov

Shubnikov Institute of Crystallography

Email: alla@ns.crys.ras.ru
Russian Federation, Moscow

E. S. Ivanova

Shubnikov Institute of Crystallography

Email: alla@ns.crys.ras.ru
Russian Federation, Moscow

V. V. Grebenev

Shubnikov Institute of Crystallography

Email: alla@ns.crys.ras.ru
Russian Federation, Moscow

A. K. Lashkova

Shubnikov Institute of Crystallography

Email: alla@ns.crys.ras.ru
Russian Federation, Moscow

A. L. Tolstikhina

Shubnikov Institute of Crystallography

Author for correspondence.
Email: alla@ns.crys.ras.ru
Russian Federation, Moscow

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