Oxygen precipitation in neutron-irradiated Czochralski silicon annealed at elevated temperature

被引:8
作者
Cui, C [1 ]
Yang, DR [1 ]
Ma, XY [1 ]
Fan, RX [1 ]
Que, DL [1 ]
机构
[1] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China
来源
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2005年 / 202卷 / 13期
关键词
D O I
10.1002/pssa.200521141
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The effects of vacancies introduced by neutron-irradiation on oxygen precipitation at elevated temperatures in Czochralski (CZ) silicon have been investigated. In comparison with noirradiated CZ silicon, the neutron-irradiated CZ silicon exhibits stronger oxygen precipitation at 1050 degrees C or 1150 degrees C due to the existence of supersaturated vacancies in the bulk. Moreover, it is proved that the oxygen out-diffusion at high temperature is not enhanced by the supersaturated vacancies induced by neutron-irradiation. (c) 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:2442 / 2447
页数:6
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