Fabrication and properties of Er/Tm/Pr tri-doped yttrium lanthanum oxide transparent ceramics

被引：10

作者：

Duan, Qizhen ^{[1
]}

Yang, Qiuhong ^{[1
]}

Lu, Shenzhou ^{[1
]}

Jiang, Cen ^{[1
]}

Lu, Qing ^{[1
]}

Lu, Bo ^{[2
]}

机构：

[1] Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200444, Peoples R China

[2] Shanghai Univ, Instrumental Anal & Res Ctr, Shanghai 200444, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2014年 / 612卷

关键词：

Er/Tm/Pr:(Y-0.9-La-0.1)(2)O-3; Nanopowder; Transparent ceramics; Spectral properties; Mid-infrared laser material; 2.7; MU-M; ENERGY-TRANSFER; LASER; TRANSITION; EMISSION;

D O I：

10.1016/j.jallcom.2014.05.177

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：

Er/Tm/Pr tri-doped yttrium lanthanum oxide transparent ceramics were fabricated by conventional ceramics processing. Their microstructures and spectroscopic properties were investigated. The energy transfer mechanism between Tm3+, Pr3+ and Er3+ was also discussed. The Er/Tm/Pr:(Y0.9La0.1)(2)O-3 ceramic display a dense structure with no pores and uniform grains of about 40 mu m. The results shows that population inversion between the I-4(11/2) and I-4(13/2) level of Er:(Y0.91La0.1)(2)O-3 transparent ceramics is enhanced by co-doping Tm3+ and low amount of Pr3+ (0.5 at.%). When concentration of Pr3+ ions is high (2 at.%), 2.7 mu m emission is restrained significantly due to the concentration quenching of Pr3+ ions. This Er/Tm/Pr tri-doped yttrium lanthanum oxide transparent ceramics can be considered as a promising material for mid-infrared lasers. Crown Copyright (C) 2014 Published by Elsevier B.V. All rights reserved.

引用

页码：239 / 242

页数：4

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