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The Jahn—Teller Distortion and Cation Ordering in the Perovskite Sr2MnSbO6.

✍ Scribed by Melina Cheah; Paul J. Saines; Brendan J. Kennedy


Publisher
John Wiley and Sons
Year
2006
Weight
10 KB
Volume
37
Category
Article
ISSN
0931-7597

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The luminescence spectra of the diluted systems CszZrClb: Te4+ and Cs#Q,: Te4+ are reported at liquid-helium and room temperature. The shape of the excitation spectrum of the Te 4+ luminescence reveals a dynamic Jahn-Teller distortion in the excited state. At low temperatures the Te4+ emission shows