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ChemInform Abstract: Absorption and Luminescence Spectroscopy of MnO2-4-Doped Crystals of BaSO4.

โœ Scribed by T. C. BRUNOLD; H. U. GUEDEL

Publisher
John Wiley and Sons
Year
2010
Weight
28 KB
Volume
28
Category
Article
ISSN
0931-7597

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โœฆ Synopsis

Absorption and Luminescence Spectroscopy of MnO2-4-Doped Crystals of BaSO4.

-The first polarized absorption and luminescence spectra of Mn-doped BaSO4 containing essentially MnO2-4 are reported. The simultaneous formation of MnO3-4, responsible for erroneous assignments of the absorption spectrum, is avoided by growing the BaSO4:Mn6+ crystals below 620 โ€ข C in a NaCl/KCl/CsCl flux. The luminescence of BaSO4: Mn6+ extends from 11000 to about 6500 cm-1; an extremely broad range in a very interesting region for possible laser applications. -(BRUNOLD, T.

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