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Incorporation of H+into Mg-doped LiNbO3

Authors
Journal
Solid State Communications
0038-1098
Publisher
Elsevier
Publication Date
Volume
59
Issue
7
Identifiers
DOI: 10.1016/0038-1098(86)90696-4

Abstract

Abstract Infrared spectra of OH - ions have been obtained from Mg-doped LiNbO 3 crystals. The spectra, which are remarkedly different from those for pure crystals, exhibit two main well separated bands quite different for both samples, indicating the occurrence of two slightly different OH - bonds. From their polarization behaviour it is concluded that these bonds approximately point towards the center of the neighboring oxygen octahedra. Vacuum annealing treatments make the bands disappear at slightly different temperatures (about 700°), further supporting the assumption of two different sites.

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