4.6 Article Proceedings Paper

Unexpected luminescence of Cr5+ and Cr3+ ions in ZrSiO4 zircon crystals

Journal

JOURNAL OF LUMINESCENCE
Volume 87-9, Issue -, Pages 1118-1121

Publisher

ELSEVIER
DOI: 10.1016/S0022-2313(99)00562-1

Keywords

Cr5+; Cr3+; zircon

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Luminescence, decay-times and EPR spectroscopy of Cr-doped ZrSiO4 show the presence of both Cr3+ and Cr5+ active centers, which can be connected with Zr4+ and Si4+ adjacent two-cation replacement. Cr5+ emission occurs within a similar spectral range as for Cr4+ and hence confusion is possible. (C) 2000 Elsevier Science B.V. All rights reserved.

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