Abstract
The effect oxidizing annealing has on the electrical properties of nominally pure congruently grown LiNbO3 crystals is investigated via impedance spectroscopy. A set of samples is preliminarily reduced in saturated D2O or H2O vapor. It is shown that reducing annealing in saturated water vapor at T = 773 K results in partial deprotonation of LiNbO3 crystals. It is assumed that such annealing does not change the charge state of impurity ions with variable valence.
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Original Russian Text © A.V. Yatsenko, S.V. Yagupov, 2018, published in Izvestiya Rossiiskoi Akademii Nauk, Seriya Fizicheskaya, 2018, Vol. 82, No. 3, pp. 375–379.
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Yatsenko, A.V., Yagupov, S.V. Effect of Oxidating Treatment on the Electrical Properties of Reduced LiNbO3 Crystals. Bull. Russ. Acad. Sci. Phys. 82, 328–331 (2018). https://doi.org/10.3103/S1062873818030346
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DOI: https://doi.org/10.3103/S1062873818030346