Infrequent blue and green emission transitions from Eu3+ in heavy metal tellurite glasses with low phonon energy

被引：32
作者：
Lin, H. [1 ]
Tanabe, S.
Lin, L.
Yang, D. L.
Liu, K.
Wong, W. H.
Yu, J. Y.
Pun, E. Y. B.
机构：
[1] Dalian Inst Light Ind, Fac Chem Engn & Mat, Dalian 116034, Peoples R China
[2] Kyoto Univ, Grad Sch Human & Environm Studies, Sakyo Ku, Kyoto 6068501, Japan
[3] Dalian Med Univ, Dalian 116027, Peoples R China
[4] City Univ Hong Kong, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China
来源：
PHYSICS LETTERS A | 2006年 / 358卷 / 5-6期
关键词：
europium; heavy metal tellurite glasses; blue and green emissions;
D O I：
10.1016/j.physleta.2006.05.066
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Eu3+ doped alkali-barium-bismuth-tellurite (Eu3+:LKBBT) glasses were prepared by conventional melt quenching. Twelve emission bands including infrequent blue and green bands are observed and they almost cover whole visible spectral region under violet light radiation. The blue and green emissions of Eu3+ rarely appeared in oxide glasses before, but they have been clearly recorded in Eu3+:LKBBT glasses even in the case of high concentration doping of Eu3+. The analysis based on spontaneous-radiative rate, energy gap and Raman scattering reveals that the obtaining of the abundant multichannel emissions of Eu3+ is due to the higher refractive index and the lower phonon energy in LKBBT glass system. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：474 / 477
页数：4
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