Precipitation of HNbO<sub>3</sub> at the Ti:LiNbO<sub>3</sub> surface

Ivan Kalabin; Tatiana I. Grigorieva; Lev D. Pokrovsky; Victor V. Atuchin

doi:10.1117/12.474863

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3 April 2003 Precipitation of HNbO₃ at the Ti:LiNbO₃ surface

Ivan Kalabin, Tatiana I. Grigorieva, Lev D. Pokrovsky, Victor V. Atuchin

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Proceedings Volume 4944, Integrated Optical Devices: Fabrication and Testing; (2003) https://doi.org/10.1117/12.474863
Event: Photonics Fabrication Europe, 2002, Bruges, Belgium

Abstract

The conditions of HNbO₃ precipitation on the lithium niobate single-crystal and titanium diffused lithium niobate were studied. It has been shown, that the maximum of HNbO₃ precipitation corresponds to the highest humidity of atmosphere at the annealing temperatures of 800-850°C for 5-10h. Moreover, the application of humid atmosphere during the annealing of LN at 600-850°C does not ensure in full measure the lack of LiNb₃O₈ precipitation.

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Ivan Kalabin, Tatiana I. Grigorieva, Lev D. Pokrovsky, and Victor V. Atuchin "Precipitation of HNbO₃ at the Ti:LiNbO₃ surface", Proc. SPIE 4944, Integrated Optical Devices: Fabrication and Testing, (3 April 2003); https://doi.org/10.1117/12.474863

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