Crystal growth and spectral properties of Sm:GdVO4

被引：45

作者：

He, Xiaoming ^{[1
]}

Zhang, Lianhan ^{[1
]}

Chen, Guangzhu ^{[1
]}

Hang, Yin ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 467卷 / 1-2期

关键词：

Judd-Ofelt parameters; Spectral properties; CZ growth; Sm:GdVO4; Emission cross-section; OPTICAL-PROPERTIES; SM3+ IONS; PHOTOLUMINESCENCE; INTENSITIES; ABSORPTION; ND3+;

D O I：

10.1016/j.jallcom.2007.11.132

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 2 at.% Sm:GdVO4 crystal was grown by the Czochralski method. The segregation coefficient of Sm3+ ion in this crystal is 0.98. The crystal structure of the Sm:GdVO4 crystal was determined by X-ray diffraction analysis. Judd-Ofelt theory was used to calculate the intensity parameters (Omega(i)), the spontaneous emission probability, the luminary branching ratio and the radiative lifetime of the state (4)G(5/2). The stimulated emission cross-sections at 567, 604 and 646 nm are calculated to be 5.92 x 10(-21), 7.62 x 10(-21) and 5.88 x 10(-21) cm(2), respectively. The emission cross-section at 604 nm is 4.4 times lager than that in Sm: YAP at 607 nm. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：366 / 369

页数：4

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