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Ebic Study of Fe Precipitation on Bulk Stacking Fault in Czochralski-Grown Silicon

Published online by Cambridge University Press:  15 February 2011

B. Shen ,
T. Sekiguchi ,
P. Chen ,
K. Yang ,
Z. Z. Chen ,
Y. D. Zheng  and
K. Sumino
B. Shen
Affiliation:
Department of Physics, Nanjing University, Nanjing 210093, P.R. China
T. Sekiguchi
Affiliation:
Institute For Materials Research, Tohoku University, Sendai 980, Japan
P. Chen
Affiliation:
Department of Physics, Nanjing University, Nanjing 210093, P.R. China
K. Yang
Affiliation:
Department of Physics, Nanjing University, Nanjing 210093, P.R. China
Z. Z. Chen
Affiliation:
Department of Physics, Nanjing University, Nanjing 210093, P.R. China
Y. D. Zheng
Affiliation:
Department of Physics, Nanjing University, Nanjing 210093, P.R. China
K. Sumino
Affiliation:
Institute For Materials Research, Tohoku University, Sendai 980, Japan
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Abstract

Fe precipitation on bulk stacking faults in Czochralski-grown silicon are investigated by means of the electron-beam-induced-current (EBIC) technique and other techniques. It is found that Fe impurities only precipitate on Frank partial dislocations bounding stacking faults when the specimen is cooled slowly; however, they precipitate on both Frank partials and fault planes when the specimen is cooled fast. It is explained that small oxygen precipitates on fault planes, together with Frank partials, serve as the gettering centers for Fe impurities in the fast cooled specimen.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 469: Symposium E – Defects and Diffusion in Silicon Processing , 1997 , 523
Copyright
Copyright © Materials Research Society 1997

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References

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