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The Outdiffusion of Boron and Arsenic from Pre-Formed Ion-Beam-Mixed Cobalt Disilicide Layers using Rapid Thermal Processing

Published online by Cambridge University Press:  25 February 2011

P. B. Moynagh
Affiliation:
STC Technology Ltd., London Rd., Harlow, Essex, England, CM17 9NA
A. A. Brown
Affiliation:
STC Technology Ltd., London Rd., Harlow, Essex, England, CM17 9NA
P. J. Rosser
Affiliation:
STC Technology Ltd., London Rd., Harlow, Essex, England, CM17 9NA
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Abstract

Arsenic out-diffusing from Cobalt Disilicide into underlying silicon displays an enhanced activation level of up to 80%, and an enhanced diffusivity of greater than one order of magnitude. Boron, in contrast, displays a diffusivity as small as 0.25 times that expected. These observations are consistent with a considerable Si-vacancy injection by the silicide layer into the underlying substrate.

Type
Research Article
Copyright
Copyright © Materials Research Society 1989

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References

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