Electron-Vibrational Interaction in the 5d States of Eu2+ Ions in Sr6-xEuxBP5O20 (x=0.01-0.15)

被引：13
|
作者：
Hou, Dejian [1 ]
Ma, C. -G. [2 ]
Liang, Hongbin [1 ]
Brik, M. G. [3 ]
机构：
[1] Sun Yat Sen Univ, Sch Chem & Chem Engn, State Key Lab Optoelect Mat & Technol, KLGHEI Environm & Energy Chem,MOE Lab Bioinorgan, Guangzhou 510275, Guangdong, Peoples R China
[2] Chongqing Univ Posts & Telecommun, Coll Math & Phys, Chongqing 400065, Peoples R China
[3] Univ Tartu, Inst Phys, EE-51014 Tartu, Estonia
来源：
ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY | 2014年 / 3卷 / 04期
基金：
中国国家自然科学基金;
关键词：
CRYSTAL-STRUCTURE; PHOSPHORS; SR6BP5O20; EMISSION; BOROPHOSPHATE;
D O I：
10.1149/2.007404jss
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report on the combined experimental and theoretical study of the Sr6-xEuxBP5O20 (x = 0.01; 0.03; 0.05; 0.07; 0.09; 0.11; 0.13; 0.15) phosphors. Spectroscopic measurements were followed by the analysis of the room-temperature absorption and emission spectra, which yielded the main parameters of the electron-phonon coupling, such as Huang-Rhys factor, Stokes shift, effective phonon energy, and zero-phonon line position. All these parameters were determined for the studied system for the first time to the best of the authors' knowledge. Reliability of the obtained parameters was checked by modeling the emission band shapes, which perfectly reproduced the experimental emission spectra of all samples (C) 2014 The Electrochemical Society. All rights reserved.
引用
收藏
页码：R39 / R42
页数：4
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