Voids engulfment in shaped sapphire crystals

Irina Nicoara; O.M. Bunoiu; D. Vizman

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Voids engulfment in shaped sapphire crystals

机译：异型蓝宝石晶体中的空洞吞没

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摘要

In shaped crystals besides the usual structural defects, such as dislocations, faceting, and grain boundaries, so-called "voids" have been observed almost always; this defect affects especially the optical quality of the crystals. The influence of growth conditions on size and distribution of trapped gas bubbles in shaped sapphire crystals has been studied both experimentally and by numerical simulation of the fluid flow in the meniscus. The influence of the pulling rate, of the ambient temperature and of the shaper design has been taken into account.

机译：除了通常的结构缺陷（例如位错，刻面和晶界）外，在异形晶体中，几乎总是观察到所谓的“空洞”。该缺陷尤其影响晶体的光学质量。已经通过实验和通过弯月面内流体流动的数值模拟研究了生长条件对成形蓝宝石晶体中所捕获的气泡的尺寸和分布的影响。已经考虑了牵伸速率，环境温度和成型机设计的影响。

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来源
《Journal of Crystal Growth》 |2006年第2期|p.291-295|共5页
作者
Irina Nicoara; O.M. Bunoiu; D. Vizman;
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作者单位

Department of Physics, West University of Timisoara, Bd. V. Parvan nr. 4, 1900 Timisoara, Romania;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类晶体学;
关键词
A1. Computer simulation; A1. Fluid flows; A2. Edge-defined film-fed growth; B1. Sapphire;

机译：A1。计算机仿真;A1。流体流动;A2。边缘确定的胶片喂养的生长;B1。蓝宝石;

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专利

1. On void engulfment in shaped sapphire crystals using 3D modelling [J] . Irina Nicoara, Daniel Vizman, Jochen Friedrich Journal of Crystal Growth . 2000,第1期

机译：使用3D建模研究蓝宝石晶体中的空洞吞没
2. On the void distribution and size in shaped sapphire crystals [J] . Bunoiu OM, Nicoara I, Santailler JL, Crystal Research and Technology: Journal of Experimental and Industrial Crystallography . 2005,第9期

机译：关于异型蓝宝石晶体的空隙分布和尺寸
3. Terahertz Photonic Crystal Waveguides Based on Sapphire Shaped Crystals [J] . Kirill I. Zaytsev, Gleb M. Katyba, Vladimir N. Kurlov, Terahertz Science and Technology, IEEE Transactions on . 2016,第4期

机译：基于蓝宝石形晶体的太赫兹光子晶体波导
4. GaN-based LEDs grown on cone-shaped patterned sapphire substrates with peripheral air voids by lateral etching [C] . Nan-Ming Lin, Shih-Chang Shei, Shoou-Jinn Chang, ICAMMP 2011 . 2012

机译：基于GaN的LED在锥形图案化的蓝宝石基板上生长，具有外围空隙通过横向蚀刻
5. 3D modeling of void nucleation and initial void growth due to Tin diffusion as a result of electromigration in polycrystalline lead-free solders. [D] . Karunakaran, Deepak. 2016

机译：多晶无铅焊料中电迁移导致锡扩散引起的空洞成核和初始空洞生长的3D模型。
6. Highly polarized photoluminescence from c-plane InGaN/GaN multiple quantum wells on stripe-shaped cavity-engineered sapphire substrate [O] . Jongmyeong Kim, Seungmin Lee, Jehong Oh, -1

机译：条形腔设计蓝宝石衬底上c面InGaN / GaN多量子阱的高偏振光致发光
7. Microstructured sapphire shaped crystals for anitiresonant and bandgap terahertz waveguiding [O] . G.M. Katyba, N.V. Chernomyrdin, K.I. Zaytsev, 2018

机译：用于AnitiSononant和Bandgap Terahertz波导的微结构蓝宝石形晶体
8. DT Fusion Neutron Irradiation of BNL Single Crystal Al sub 2 O sub 3 ,ORNL MgO Crystal,and LASL 90exp 0Sapphire, O exp 0Sapphire,Spinel,and YAG. [R] . maclean, s. c. 1977

机译：DT融合中子照射BNL单晶al sub 2 O sub 3，ORNL mgO晶体和LasL 90exp 0sapphire，O exp 0sapphire，spinel和YaG。

Voids engulfment in shaped sapphire crystals

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