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Optical Spectroscopy of Pentavalent Chromium Ions in Glass

Published online by Cambridge University Press:  10 February 2011

Huabiao Yuan ,
Weiyi Jia ,
D. Cohen ,
W. M. Yen  and
B. G. Aitken
Huabiao Yuan
Affiliation:
Department of Physics & Astronomy, University of Georgia, Athens, GA 30602
Weiyi Jia
Affiliation:
Department of Physics, University of Puerto Rico, Mayaguez, PR 00680
D. Cohen
Affiliation:
Department of Physics & Astronomy, University of Georgia, Athens, GA 30602
W. M. Yen
Affiliation:
Department of Physics & Astronomy, University of Georgia, Athens, GA 30602
B. G. Aitken
Affiliation:
Technology Group, Corning Inc., Sullivan Park, Corning, NY 14831
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Abstract

In this work, we report the first spectroscopie observation of octahedrally coordinated pentavalent chromium ions in BaCaMg aluminate glasses. A broad band emission peaking at 780 nm with band width of 3000 cm−1 has been observed at 12K. The measurements of fluorescence decay, time-resolved emission and excitation spectra reveal that the emission band is an overlapped luminescence originating from both the 2E to 2T2 transition of octahedrally coordinated Cr5+ and a charge transfer transition of Cr6+O4 groups.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 455: Symposium T – Glasses and Glass Formers–Current Issues , 1996 , 483
Copyright
Copyright © Materials Research Society 1997

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References

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