| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Crystal growth and spectral properties of Tb: Lu2O3 |
| Jiaojiao Shi(施佼佼)1,2, Bin Liu(刘斌)1,2, Qingguo Wang(王庆国)1,2, Huili Tang(唐慧丽)1,2,4, Feng Wu(吴锋)1,2, Dongzhen Li(李东振)3, Hengyu Zhao(赵衡煜)1,2, Zhanshan Wang(王占山)1,2, Wen Deng(邓文)5, Xu Zian(徐子安)6, Xu Jiayue(徐家跃)6, Xiaodong Xu(徐晓东)3, Jun Xu(徐军)1,2,7 |
1 School of Physics Science and Engineering, Institute for Advanced Study, Tongji University, Shanghai 200092, China;
2 MOE Key Laboratory of Advanced Micro-Structure Materials, Shanghai 201899, China;
3 Jiangsu Key Laboratory of Advanced Laser Materials and Devices, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China;
4 State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China;
5 School of Physical Science and Technology, Guangxi University, Nanning 530004, China;
6 Institute of Crystal Growth, School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 201418, China;
7 Shanghai Engineering Research Center for Sapphire Crystals, Shanghai 201899, China |
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Abstract The crystal growth, x-ray diffraction pattern, absorption spectrum, emission spectrum, and fluorescence lifetime of a Tb:Lu2O3 single crystal were studied. Excited at 483 nm, the peak absorption cross-section was calculated to be 3.5×10-22 cm2, and the full width at half maximum was found to be 2.85 nm. The Judd-Ofelt (J-O) intensity parameters Ω2, Ω4, and Ω6 were computed to be 3.79×10-20 cm2, 1.30×10-20 cm2, and 1.08×10-20 cm2, with a spectroscopic quality factor Ω4/Ω6 being 1.20. The emission cross-sections of green emission around 543 nm and yellow emission around 584 nm were calculated to be 9.43×10-22 cm2 and 1.32×10-22 cm2, respectively. The fluorescence lifetime τexp of 5D4 was fitted to be 1.13 ms. The data suggest that the Tb:Lu2O3 crystal could be a potential candidate for green and yellow laser operation.
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Received: 15 May 2018
Revised: 25 June 2018
Accepted manuscript online:
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PACS:
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78.55.-m
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(Photoluminescence, properties and materials)
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42.70.Hj
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(Laser materials)
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78.47.da
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(Excited states)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant No. 61621001), the National Key Research and Development Program of China (Grant Nos. 2016YFB1102202 and 2016YFB0701002), and the Fundamental Research Funds for the Central Universities, China. We acknowledge the help of MOE Key Laboratory of Advanced Micro-Structured Materials and School of Physical Science and Technology, Guangxi University. |
Corresponding Authors:
Xiaodong Xu, Jun Xu
E-mail: xdxu79@jsnu.edu.cn;xujun@mail.shcnc.ac.cn
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Cite this article:
Jiaojiao Shi(施佼佼), Bin Liu(刘斌), Qingguo Wang(王庆国), Huili Tang(唐慧丽), Feng Wu(吴锋), Dongzhen Li(李东振), Hengyu Zhao(赵衡煜), Zhanshan Wang(王占山), Wen Deng(邓文), Xu Zian(徐子安), Xu Jiayue(徐家跃), Xiaodong Xu(徐晓东), Jun Xu(徐军) Crystal growth and spectral properties of Tb: Lu2O3 2018 Chin. Phys. B 27 097801
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