LOCAL STRUCTURES IN Y3+-DOPED SRCEO3 CRYSTALS STUDIED BY SITE-SELECTIVE SPECTROSCOPY

被引：16
|
作者：
YUGAMI, H
CHIBA, Y
ISHIGAME, M
机构：
[1] Research Institute for Scientific Measurements, Tohoku University, Aoba-ku, Sendai, 980-77
来源：
SOLID STATE IONICS | 1995年 / 77卷
关键词：
PROTONIC CONDUCTOR; SITE-SELECTIVE SPECTROSCOPY; SRCEO3; CRYSTALS;
D O I：
10.1016/0167-2738(94)00263-R
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：
We have measured site-selective luminescence spectra of EU(3+) in the perovskite proton conductors Y3+-doped SrCeO3 single crystals. A strong red shift of the D-5(0)-F-7(0) transition of EU(3+) is observed with H2O-treatment. The site-selective spectra of these reveals that (i) four different sites of EU(3+) ions exist in protonated SrCeO3 system at row Y3+ concentration and (ii) that the relative intensity among these sites strongly depends on the dopant concentration.
引用
收藏
页码：201 / 206
页数：6
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