Electronic structure of deep centers in LiNbO3 |
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| Authors: | I Sh Akhmadullin V A Golenishchev-Kutuzov S A Migachev |
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| Institution: | (1) Kazan Physicotechnical Institute, Russian Academy of Sciences, 420029 Kazan, Russia |
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| Abstract: | A model is proposed for photo-and thermally induced processes in lithium niobate crystals. The model is based on the presence
of structural defects formed as a result of departure of the crystal composition from stoichiometry. Defects of the type NbLi-NbLi are introduced and the influence of oxidation-reduction heat treatment on the optical characteristics of the crystals is
analyzed.
Fiz. Tverd. Tela (St. Petersburg) 40, 1109–1116 (June 1998) |
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