Chin. Phys. Lett.  2006, Vol. 23 Issue (10): 2778-2781    DOI:
Original Articles |
Transparent Ni2+-Doped MgO-Al2O3-SiO2 Glass Ceramics with Broadband Infrared Luminescence
WU Bo-Tao1,2;ZHOU Shi-Feng3;QIU Jian-Rong3;PENG Ming-Ying1,2;YANG Lü-Yun;JIANG Xiong-Wei1;ZHU Cong-Shan1
1State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 2Graduate School of the Chinese Academy of Sciences, Beijing 100039 3Department of Materials Science, Zhejiang University, Hangzhou 310027
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WU Bo-Tao, ZHOU Shi-Feng, QIU Jian-Rong et al  2006 Chin. Phys. Lett. 23 2778-2781
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Abstract We report on transparent Ni2+-doped MgO-Al2O3-SiO2 glass ceramics with broadband infrared luminescence. Ni2+-doped MgO-Al2O3-SiO2 glass is prepared by using the conventional method. After heat treatment at high temperature, MgAl2O4 crystallites are precipitated, and their average size is about 4.3nm. No luminescence is detected in the as-prepared glass sample, while broadband infrared luminescence centred at around 1315nm with full width at half maximum (FWHM) of about 300nm is observed from the glass ceramics. The observed infrared emission could be attributed to the 3T2g ( 3F) → 3A2g ( 3F) transition of octahedral Ni2+ ions in the MgAl2O4 crystallites of the transparent glass ceramics. The product of the fluorescence lifetime and the stimulated emission cross section is about 1.6×10-24s cm2.
Keywords: 42.70.-a      42.70.Ce      81.40.Tv     
Published: 01 October 2006
PACS:  42.70.-a (Optical materials)  
  42.70.Ce (Glasses, quartz)  
  81.40.Tv (Optical and dielectric properties related to treatment conditions)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2006/V23/I10/02778
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WU Bo-Tao
ZHOU Shi-Feng
QIU Jian-Rong
PENG Ming-Ying
YANG Lü-Yun
JIANG Xiong-Wei
ZHU Cong-Shan
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