An analysis of the temperature dependence of the spontaneous polarization of LiNbO3 crystals

The temperature dependence of spontaneous polarization and the primary pyroelectric coefficient of stoichiometric lithium niobate crystals are calculated and the specific features of structural ordering of lithium niobate in the ferroelectric phase are analyzed using a modified electrostatic model....

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Bibliographic Details
Published in:Crystallography reports 2009-05, Vol.54 (3), p.492-495
Main Authors: Shostak, R. I., Yevdokimov, S. V., Yatsenko, A. V.
Format: Article
Language:English
Subjects:
Crystallography and Scattering Methods
Physical Properties of Crystals
Physics
Physics and Astronomy
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Summary:The temperature dependence of spontaneous polarization and the primary pyroelectric coefficient of stoichiometric lithium niobate crystals are calculated and the specific features of structural ordering of lithium niobate in the ferroelectric phase are analyzed using a modified electrostatic model. The reasons that experimentally observed anomalies of the primary pyroelectric coefficient occur are discussed.
ISSN:1063-7745
1562-689X
DOI:10.1134/S1063774509030195