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

被引：12

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

页码：310 / 315

页数：6

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