Compositional dependence of optical and vibrational properties of strontium barium niobate (SrxBa1-xNb2O6)

Autor(en): David, C.
Tunyagi, A.
Betzler, K.
Woehlecke, M.
Stichwörter: ABSORPTION-EDGE; BA0.4SR0.6NB2O6; FERROELECTRIC OXIDE CRYSTALS; LITHIUM-NIOBATE; Physics; Physics, Condensed Matter; RAMAN MEASUREMENTS; REFRACTIVE-INDEXES; SHIFT; SINGLE-CRYSTALS; SR0.61BA0.39NB2O6; TEMPERATURE
Erscheinungsdatum: 2007
Herausgeber: WILEY-V C H VERLAG GMBH
Journal: PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
Volumen: 244
Ausgabe: 6
Startseite: 2127
Seitenende: 2137
Zusammenfassung: 
The index of refraction, the optical band edge and the Raman scattering of strontium barium niobate, SrxBa1-xNb2O6 with 0.38 < x < 0.77 have been studied. The ordinary refractive index does not depend on x, while the extra-ordinary one increases with increasing x. The band edge is almost unaffected by the Ba- or Sr-content and shows a weak band bowing. Both the index of refraction and the band edge may be used for an optical determination of the composition of the crystal. Raman spectra show the typical behavior of tungsten bronze type crystals with broad bands and complicated spectral shapes. (c) 2007 WILEYNCH Verlag GmbH & Co. KGaA, Weinheim.
ISSN: 03701972
DOI: 10.1002/pssb.200642370

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