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Title: The absorption- and luminescence spectra of Mn3+ in beryl and vesuvianite
Authors: Czaja, Maria
Lisiecki, Radosław
Chrobak, Artur
Sitko, Rafał
Mazurak, Zbigniew
Keywords: Beryl; Luminescence; Mn3+ ion; Optical absorption; Vesuvianite
Issue Date: 2018
Citation: Physics and Chemistry of Minerals, Vol. 45, iss. 5 (2018), s. 475-488
Abstract: The electron absorption-, photoluminescence- and electron paramagnetic-resonance spectra of Mn3+ in red beryl from Wah Wah Mountains (Utah USA) and of pink- and purple vesuvianite from Jeffrey Mine (Asbestos, Canada) were measured at room- and low temperatures. The crystal field stabilization energies are equal to 130.9 kJ/mol for the red beryl, and 151.5–158.0 and 168.0 kJ/mol for for the pink- and the purple vesuvianite, respectively. The red photoluminescence of Mn3+ was not intensive either at room- or at low temperatures. The high Mn content in the crystals caused the emergence of an additional emission band and short photoluminescence-decay lifetimes. The latter are only 183 μs for beryl and 17 μs for vesuvianite.
Description: This research project was supported by the Polish National Science Centre (Grant DEC-2011/03/B/ ST10/06320) and by statutory funding from the Faculty of Earth Sciences at the University of Silesia. Dr. Padhraig S. Kennan (University College Dublin, Ireland) is thanked for help with language.
DOI: 10.1007/s00269-017-0934-x
ISSN: 0342-1791
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