Investigation of the stability of electrical properties of reduced LiNbO 3  crystals

A. V. Yatsenko; A. S. Pritulenko; S. V. Yagupov; D. Yu. Sugak; I. M. Sol’skii

doi:10.1134/S1063784217070271

Investigation of the stability of electrical properties of reduced LiNbO₃ crystals

Authors: Yatsenko A.V.¹, Pritulenko A.S.¹, Yagupov S.V.¹, Sugak D.Y.²^,3, Sol’skii I.M.³
Affiliations:
1. Vernadsky Crimean Federal University
2. Lviv Polytechnic National University
3. Carat Scientific Research Company
Issue: Vol 62, No 7 (2017)
Pages: 1065-1068
Section: Physical Science of Materials
URL: https://journal-vniispk.ru/1063-7842/article/view/199685
DOI: https://doi.org/10.1134/S1063784217070271
ID: 199685

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Abstract

The instability of the electrical properties of lithium niobate single crystals of congruent composition subjected to reducing thermochemical treatment has been investigated by impedance spectroscopy. It has been shown that the subsequent heating of the reduced lithium niobate samples in dry air up to 380 K or higher is accompanied by the progressive increase in their electric resistance, which is due to the oxidization of the crystal surface layers.