EU-3+ AND GD-3+ SPECTROSCOPY IN FLUOROINDATE GLASSES

被引：38

作者：

RIBEIRO, SJL ^{[1
]}

DINIZ, REO ^{[1
]}

MESSADDEQ, Y ^{[1
]}

NUNES, LA ^{[1
]}

AEGERTER, MA ^{[1
]}

机构：

[1] USP,INST FIS & QUIM SAO CARLOS,BR-13560970 SAO CARLOS,BRAZIL

来源：

CHEMICAL PHYSICS LETTERS | 1994年 / 220卷 / 3-5期

关键词：

D O I：

10.1016/0009-2614(94)00176-6

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Luminescence data for Eu3+ and Gd3+ in fluoroindate glasses are compared to those of a fluorozirconate glass. Emission is observed from Eu3+ 5D(J) (J = 0, 1, 2 and 3) and Gd3+ P-6(7/2) excited-state levels and the results put in evidence Eu-Eu and Gd-Eu energy transfer processes. Vibronic bands related to a 320 cm-1 vibrational mode could be observed for Eu3+ luminescent transitions with DELTAJ = 0, 1 and 2 and also for the P-6(7/2) --> S-8(7/2) transition of Gd3+. Lanthanide ion site symmetry is closer to an inversion center in fluoroindate glasses than it is in fluorozirconate.

引用

页码：214 / 218

页数：5

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