Research on undercooled melt growth kinetics of benzophenone crystals

被引：0
|
作者：
Wang, Wenli [1 ]
Huang, Weidong [1 ]
Lin, Xin [1 ]
机构：
[1] Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 2007年 / 137卷 / 1-3期
关键词：
nonlinear optical material; crystal growth kinetics; two-dimensional nucleation mechanism;
D O I：
10.1016/j.mseb.2006.10.004
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The undercooled melt growth behaviors of benzophenone crystals were in situ observed to measure the growth rates of two selected crystal faces and aspect ratio of grown crystal. The results showed that the relations between growth rate, as well as aspect ratio, and the undercooling presented exponential profile. The expression of the aspect ratio with the undercooling was also deduced by using a two-dimensional crystal model. The agreement between theoretical prediction and experimental results implies that the undercooled melt growth kinetics of benzophenone crystals satisfied the two-dimensional nucleation mechanism. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：45 / 48
页数：4
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