Low-temperature spectroscopy of Pr(3+) nonequivalent optical centers in Y2SiO5 crystal

Low-temperature spectroscopy of Pr(3+) nonequivalent optical centers in Y2SiO5 crystal

Based in an analysis of the absorption and luminescence spectra of Y2SiO5 crystals, the existence of two Pr(3+) optical centers associated with the location of doped ions at nonequivalent cation sites is proved. A nonradiative excitation energy transfer between the nonequivalent Pr(3+) optical cente...

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Veröffentlicht in:Fizika nizkih temperatur (Kiev) 1998-06, Vol.24 (6), p.571-576
Hauptverfasser: Malyukin, Yu V, Minkov, B I, Borisov, R S, Seminozhenko, V P, Znamenskij, N V, Manykin, Eh A, Marchenko, D V, Petrenko, E A
Format: Artikel
Sprache:rus
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Zusammenfassung:Based in an analysis of the absorption and luminescence spectra of Y2SiO5 crystals, the existence of two Pr(3+) optical centers associated with the location of doped ions at nonequivalent cation sites is proved. A nonradiative excitation energy transfer between the nonequivalent Pr(3+) optical centers is observed. A preliminary analysis of the transfer mechanisms is made. (Author)
ISSN:0132-6414