Composition dependence of the OH-stretch-mode spectrum in lithium tantalate

Autor(en): Baumer, C
David, C
Betzler, K
Hesse, H
Lengyel, K
Kovacs, L
Wohlecke, M
Stichwörter: CONGRUENT; GROWTH; LINBO3; Materials Science; Materials Science, Multidisciplinary; NIOBATE; Physics; Physics, Applied; Physics, Condensed Matter; SINGLE-CRYSTALS; STOICHIOMETRIC LITAO3
Erscheinungsdatum: 2004
Herausgeber: WILEY-V C H VERLAG GMBH
Journal: PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE
Volumen: 201
Ausgabe: 4
Startseite: R13-R16
Zusammenfassung: 
The infrared absorption spectrum of the OH-stretch-mode in lithium tantalate is measured for crystals of different compositions. The spectrum exhibits two prominent lines which are representative for ideal and for Li-deficient sites in the crystal, respectively. Position, shape, and intensity of the two lines thus depend on crystal composition in a characteristic way. A comprehensive quantitative description is given which shows that the technique can be used as a sensitive non-destructive tool to rate the composition of lithium niobate. (C) 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
ISSN: 18626300
DOI: 10.1002/pssa.200409028

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