Crystal structure and optical spectroscopy of Ca3Ln2Si3O12 (Ln = Gd and Lu) doped with Eu3+

被引：6
|
作者：
Piccinelli, F. [1 ]
Speghini, A.
Bettinelli, M.
机构：
[1] Univ Verona, DB, Lab Chim Stato Solido, I-37134 Verona, Italy
来源：
OPTICAL MATERIALS | 2013年 / 35卷 / 11期
关键词：
Crystal structure; Double silicate; Europium ion; Luminescence; GLASSES;
D O I：
10.1016/j.optmat.2012.09.034
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The luminescence of Eu3+ introduced as impurity in Ca3Gd2Si3O12, and Ca3Lu2Si3O12 has been investigated. According to the crystallographic evidences, three sites for the dopant ion are available with different occupation in the two hosts. In both matrixes, the dominant D-5(0) -> F-7(2) emission line reveals a low symmetry of the Eu3+ crystal sites. In the excitation spectrum of Eu doped Ca3Gd2Si3O12 a Gd3+ -> Eu3+ ET process is clearly visible. (C) 2012 Elsevier B.V. All rights reserved.
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页码：2027 / 2029
页数：3
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