Experimental study of absorption and luminescence properties of Er3+ in lead silicate glass

被引：18
|
作者：
Dantas, NO [1 ]
Qu, FY [1 ]
Arantes, JT [1 ]
机构：
[1] Univ Fed Uberlandia, Fac Fis, Lab Novos Mat Isolantes & Semicond, BR-38400902 Uberlandia, MG, Brazil
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2002年 / 344卷 / 1-2期
关键词：
disordered-systems; luminescence; amorphous materials;
D O I：
10.1016/S0925-8388(02)00377-8
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：
The optical absorption and temperature dependence of photoluminescence (PL) in the temperature range of 10 to 300 K have been measured for Er3+-doped lead silicate glass. A strong PL band that originates from S-4(13/2)-->I-4(15/2) transition centered at 562 nm was observed even at room temperature. A very weak temperature quenching compared with that of Er3+ in crystal Si and the peak wavelength remaining constant with temperature are the main characteristics of this PL emission band. They are explained by the competition of thermal population effect and multiphonon relaxation between the S-4(3/2) and H-2(11/2) levels of Er3+. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：316 / 319
页数：4
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