Optical Spectra of Gd3Ga5O12:Mn Crystals

Author: Aleksandrovskii A.S.   Bezmaternykh L.N.   Gudim I.A.   Krylov A.S.   Temerov V.L.  

Publisher: MAIK Nauka/Interperiodica

ISSN: 0020-1685

Source: Inorganic Materials, Vol.38, Iss.10, 2002-10, pp. : 1032-1034

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Abstract

The absorption and luminescence spectra of gadolinium gallium garnet crystals activated with Mn during high-temperature solution growth are analyzed in relation to the valence state of Mn. The results indicate that, in contrast to melt growth, the flux growth process stabilizes manganese in the valence state 3+.