Transition mechanisms and spectral shapes of the 5D0-7F0 line of Eu3+ and Sm2+ in solids -: art. no. 195118

被引：39
|
作者：
Kushida, T [1 ]
Tanaka, M
机构：
[1] Nara Inst Sci & Technol, Nara 6300101, Japan
[2] Natl Inst Adv Ind Sci & Technol, Res Inst Green Technol, Tsukuba, Ibaraki 3058569, Japan
来源：
PHYSICAL REVIEW B | 2002年 / 65卷 / 19期
关键词：
D O I：
10.1103/PhysRevB.65.195118
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The results of recent ab initio calculations performed by Smentek and Hess for several f-f transitions of Eu3+ in a host of C-2v symmetry are compared with experimental data, and dominant mechanisms of the [D-5](0)-[F-7](0), [D-5](0)-[F-7](1) and [D-5](1)-[F-7](0) optical transitions of Eu3+ and Sm2+ ions are discussed. It is shown that the processes that were treated in the ab initio calculation make only very small contributions in these transitions in actual systems. The difference in the spectral shape of the [D-5](0)-[F-7](0) line between Eu3+ and Sm2+ in glass is explained on the basis of the different dependence of the transition energy on the value of the crystal-field parameter B-20.
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页码：1 / 6
页数：6
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