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Effect of air annealing on the color center in Yb:Y3Al5O12 transparent ceramics with MgO as sintering additive
Lu, Zhongwen; Lu, Tiecheng; Wei, Nian; Zhang, Wei; Ma, Benyuan; Qi, Jianqi; Guan, Yongbing; Chen, Xingtao; Wu, Huajun; Zhao, Yu; lutiecheng@scu.edu.cn; weinian@scu.edu.cn
2015
Source PublicationOPTICAL MATERIALS
ISSN0925-3467
Volume47Pages:292-296
AbstractHigh quality Yb:Y3Al5O12 (YAG) transparent ceramics were fabricated by vacuum sintering with MgO as sintering aids. The Yb:YAG samples were annealed at 1250-1450 degrees C for 26 h in air. The experimental results showed that the transparency of Yb:YAG samples declined markedly with the annealing temperatures of 1250-1450 degrees C. The samples became increasingly orange-yellow in color with the increase of annealing temperature. The potential reasons of discoloration were discussed for the first time. It was attributed to the complex color center [Mg2+F+] formed during the annealing, which was evidenced by optical absorption in the range of 300-500 nm wavelength and the presence of an electron spin resonance (ESR) line at g = 1.9806. The formation mechanism of the complex color center was explained in detail. The complex color center can be eliminated after post-HIP (hot isostatic pressing). And by air annealing and post-HIP, the transmittance of the samples increased from 80.3% to 83.4%. (C) 2015 Elsevier B.V. All rights reserved.
description.department[lu, zhongwen ; lu, tiecheng ; wei, nian ; ma, benyuan ; qi, jianqi ; guan, yongbing ; chen, xingtao ; wu, huajun ; zhao, yu] sichuan univ, coll phys sci & technol, chengdu 610064, peoples r china ; [lu, zhongwen ; lu, tiecheng ; wei, nian ; qi, jianqi ; guan, yongbing ; chen, xingtao ; wu, huajun ; zhao, yu] sichuan univ, key lab high energy dens phys & technol, minist educ, chengdu 610064, peoples r china ; [lu, tiecheng] chinese acad sci, int ctr mat phys, shenyang 110015, peoples r china ; [zhang, wei] southwest inst tech phys, chengdu 610041, peoples r china ; [ma, benyuan] nanyang normal univ, coll phys & elect engn, nanyang 473061, peoples r china
KeywordYb:Yag Transparent Ceramics Color Center Annealing Hot Isostatic Pressing Optical Properties
Funding OrganizationNational Natural Science Foundation of the People's Republic of China [51002098]; National High Technology Research and Development Program (863); Science and Technology Project in Shantou [2014SS019]; Key Laboratory of Neutron Physics, CAEP [2014BC01]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74735
Collection中国科学院金属研究所
Corresponding Authorlutiecheng@scu.edu.cn; weinian@scu.edu.cn
Recommended Citation
GB/T 7714
Lu, Zhongwen,Lu, Tiecheng,Wei, Nian,et al. Effect of air annealing on the color center in Yb:Y3Al5O12 transparent ceramics with MgO as sintering additive[J]. OPTICAL MATERIALS,2015,47:292-296.
APA Lu, Zhongwen.,Lu, Tiecheng.,Wei, Nian.,Zhang, Wei.,Ma, Benyuan.,...&weinian@scu.edu.cn.(2015).Effect of air annealing on the color center in Yb:Y3Al5O12 transparent ceramics with MgO as sintering additive.OPTICAL MATERIALS,47,292-296.
MLA Lu, Zhongwen,et al."Effect of air annealing on the color center in Yb:Y3Al5O12 transparent ceramics with MgO as sintering additive".OPTICAL MATERIALS 47(2015):292-296.
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