Enhanced Migration of Implanted Sb and In in Si Covered with Evaporated Al
作者:
R. R. Hart,
D. H. Lee,
O. J. Marsh,
期刊:
Applied Physics Letters
(AIP Available online 1972)
卷期:
Volume 20,
issue 2
页码: 76-77
ISSN:0003-6951
年代: 1972
DOI:10.1063/1.1654053
出版商: AIP
数据来源: AIP
摘要:
Amorphous layers of Si produced by the bombardment of Sb+and In+and covered with ∼400 Å of Al show pronounced migration of the implanted atoms to the Si&sngbnd;Al interface and the Al surface after a 350°C anneal. This enhanced migration occurs simultaneously with the recrystallization of the amorphous layer. Low‐temperature migration effects are not seen in uncoated amorphous Si, nor on reordered Si covered with evaporated Al. The depth distribution of the implanted atoms is measured by backscattering analysis with 280‐keV &agr; particles.
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