Greatly enhanced broadband near-infrared emission due to energy transfer from Cr3+ to Ni2+ in transparent magnesium aluminosilicate glass ceramics

被引：11
|
作者：
Luo, Jin [1 ]
Zholi, Shifeng [1 ]
Wu, Botao [2 ]
Yang, Hucheng [1 ]
Ye, Song [1 ]
Zhu, Bin [1 ]
Qiu, Jianrong [1 ,2 ]
机构：
[1] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China
来源：
JOURNAL OF MATERIALS RESEARCH | 2009年 / 24卷 / 02期
基金：
中国国家自然科学基金;
关键词：
OPTICAL-PROPERTIES; CORDIERITE GLASS; IONS; SPINEL; LASER; LUMINESCENCE; CR(III); ND3+;
D O I：
10.1557/JMR.2009.0068
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Cr3+/Ni2+ co-doped optically transparent magnesium aluminosilicate glass-ceramics containing MgAl2O4 nanocrystals have been prepared by heat-treatment. Greatly enhanced broadband near-infrared emission centered at 1216 nm in Cr3+/Ni2+ co-doped glass ceramics is observed when compared with the Ni2+ single-doped glass ceramics under 532 nm excitation. The observed enhancement of infrared emission is attributed to the energy transfer from Cr3+ to Ni2+ ions in the nanocrystalline phase, which leads to the emission due to T-3(2)(F-3) -> (3)A(2)(F-3) transition of octahedral Ni2+ ions.
引用
收藏
页码：310 / 315
页数：6
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