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Title: The luminescence properties of rare-earth ions in natural fluorite
Authors: Czaja, Maria
Bodył-Gajowska, Sabina
Lisiecki, R.
Meijerink, A.
Mazur, Z.
Keywords: photoluminescence; fluorite; rare-earth ions; stark energy levels
Issue Date: 2012
Citation: Physics and Chemistry of Minerals, Vol. 39, iss. 8 (2012), s. 639-648
Abstract: For the first time, the luminescence properties of Pr 3+, Nd 3+ and Tm 3+ and Yb 3+ ions in fluorite crystal have been obtained by steady-state measurements. In addition, the luminescence spectra of Ce 3+, Sm 2+, Sm 3+, Dy 3+, Er 3+ and Yb 3+ were measured. It was pointed out that λ exc. = 415 nm is most suitable for measuring the Ho 3+ emission beside the Er 3+. The emission of trivalent holmium and erbium ions was measured independently using time-resolved measurements and tentative assignment of luminescence lines to C 3v and C 4v symmetry sites was proposed. Besides for natural fluorite crystal, the transitions between Stark energy levels of lanthanide ions were presented.
DOI: 10.1007/s00269-012-0518-8
ISSN: 0342-1791
Appears in Collections:Artykuły (WNP)

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