Crystal fields in Pr3+ doped rare earth gallium garnets, RE3Ga5O12:Pr3+
作者： E Antic-Fidancev , J Holsa , J -C Krupa , M Lemaitre-Blaise , P Porcher
DOI: 10.1088/0953-8984/4/43/007
关键词: Atomic physics 、 Photoluminescence 、 Ion 、 Praseodymium 、 Inorganic chemistry 、 Gallium 、 Inorganic compound 、 Phenomenological model 、 Excitation 、 Single crystal 、 Chemistry
摘要: The optical absorption, site selective excitation and luminescence spectra of the trivalent praseodymium ion in three rare earth gallium garnet matrices, RE3Ga5O12 (REGG; RE=Y, Gd, Pr) were detected at 4, 77 300 K. 4f2 energy level schemes comprising 56 to 68 crystal field (CF) sublevels simulated according a phenomenological model taking into account both free CF effects. consisting 17 parameters with 8 9 appropriate D2 point symmetry RE3+ reproduced experimental satisfactory manner RMS deviations between 23 cm-1. vary only slightly as function host matrix. Bqk parameter sets for PrGG YGG:Pr3+ are consistent those obtained other REGG YGG:RE3+, respectively.
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