[1]王东阳,贺威,李玲,等.光学质量大尺寸蓝宝石单晶工艺研究[J].深圳大学学报理工版,2015,32(4):350-356.[doi:10.3724/SP.J.1249.2015.04350]
　Wang Dongyang,He Wei,Li Ling,et al.Growth technique of optical quality large-size single-crystal sapphire[J].Journal of Shenzhen University Science and Engineering,2015,32(4):350-356.[doi:10.3724/SP.J.1249.2015.04350]
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光学质量大尺寸蓝宝石单晶工艺研究()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第32卷
期数:
2015年第4期
页码:
350-356
栏目:
材料科学
出版日期:
2015-07-16

文章信息/Info

Title:
Growth technique of optical quality large-size single-crystal sapphire
文章编号:
201504003
作者:
王东阳1; 贺威1; 李玲2; 翟剑庞2
1) 深圳大学电子科学与技术学院，深圳 518060
2) 深圳大学光电工程学院，深圳 518060
Author(s):
Wang Dongyang1;  He Wei1;  Li Ling2;  and Zhai Jianpang2
1) College of Electronic Science and Technology, Shenzhen University, Shenzhen 518060, P.R.China
2) College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, P.R.China
关键词:
晶体学; 蓝宝石晶体; 泡生法; 晶体生长; LED衬底材料; 晶体缺陷
Keywords:
crystallography;  sapphire crystal;  Kyropoulos method;  crystal growth;  LED substrate;  crystal defects
分类号:
O 78
DOI:
10.3724/SP.J.1249.2015.04350
文献标志码:
A
摘要:
分析了泡生法生长大尺寸、光学质量蓝宝石单晶工艺，探讨了影响蓝宝石晶体生长的9大因素：① 温场的轴向和径向温度梯度大小对晶体生长的影响；② 氧化锆层对晶体质量的影响；③ 原料对晶体生长的影响；④ 籽晶的质量和晶向对晶体生长的影响；⑤ 引晶对晶体中残余应力、位错和晶界的影响；⑥ 放肩角度对晶体的影响；⑦ 等径生长速度对晶体的影响；⑧ 收尾拉脱与否对晶体质量的影响；⑨ 退火时间长短对晶体的影响.通过分析各影响因素，改进生长工艺，成功生长出70 kg蓝宝石单晶. 对其进行表征发现，在晶体气泡、晶体方向和应力等方面均达到发光二极管芯片衬底要求.
Abstract:
We analyze the large-size optical quality single-crystal sapphire growth technique through the Kyropoulos method and discuss the effects of nine factors, including effects of the thermal field’s axial and radial temperature gradient, Al2O3 material, the quality and orientation of seed crystal on crystal growth, the effects of ZrO2 insulation layer and separated and adhesive tail on crystal quality, the effect of seeding on residual stress, dislocation and boundary of crystal and the effects of shouldering angle, growth rate in isometric stage and annealing duration on crystal. By analyzing the effects of various factors and then optimizing the crystal growth process, we succeed in the formation of a 70 kg single crystal sapphire which can meet the performance requirements of LED (light emitting diode) chips substrate in aspects of bubble, direction and stress of crystal.

参考文献/References:

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备注/Memo

备注/Memo:
Received：2015-03-17；Accepted：2015-05-20
Foundation：Shenzhen Strategic Emerging Industry Development Special Fund of Knowledge（JCYJ20130329142000199）
Corresponding author：Associate professor Zhai Jianpang. E-mail: jpzhai@szu.edu.cn
Citation：Wang Dongyang, He Wei, Li Ling, et al. Growth technique of optical quality large-size single-crystal sapphire［J］. Journal of Shenzhen University Science and Engineering, 2015, 32(4): 350-356.（in Chinese）
基金项目：深圳市战略新兴产业发展专项基金资助项目（JCYJ20130329142000199）
作者简介：王东阳（1991—），男(汉族)，河南省长葛市人，深圳大学硕士研究生. E-mail：wangdongyangwdy@foxmail.com
引文：王东阳，贺威，李玲，等.光学质量大尺寸蓝宝石单晶工艺研究［J］. 深圳大学学报理工版，2015，32（4）：350-356.
更新日期/Last Update: 2015-06-30