Amplitudes of doping striations: Comparison of numerical calculations and analytical approaches

被引：16
|
作者：
Jung, T [1 ]
Muller, G [1 ]
机构：
[1] UNIV ERLANGEN NURNBERG,INST WERKSTOFFWISSENSCH LS VI,D-91058 ERLANGEN,GERMANY
来源：
JOURNAL OF CRYSTAL GROWTH | 1997年 / 171卷 / 3-4期
关键词：
D O I：
10.1016/S0022-0248(96)00704-X
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Transient, axisymmetric numerical calculations of the heat and species transport including convection were performed for a simplified vertical gradient freeze (Bridgman) process with bottom seeding for GaAs. Periodical oscillations were superimposed onto the transient heater temperature profile. The amplitudes of the resulting oscillations of the growth rate and the dopant concentration (striations) in the growing crystals are compared with the predictions of analytical models.
引用
收藏
页码：373 / 379
页数：7
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