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Grain Growth in Vapor Deposited Aluminium Alloys

Published online by Cambridge University Press:  26 February 2011

Uwe Köster  and
Paul S. Ho
Uwe Köster
Affiliation:
Dept. Chem. Eng., University of Dortmund, D-4600 Dortmund 50, F.R., Germany
Paul S. Ho
Affiliation:
IBM, Thomas J. Watson Research Center, Yorktown Heights, NY 10598, USA
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Abstract

In a number of vapor deposited aluminium alloys grain growth has been investigated systematically by means of quantitative electron microscopy and found to proceed not by grain boundary migration, but by grain coalescence. Parameters influencing the observed mode of grain growth will be discussed with respect to the formation of microstructures with optimal resistance to electromigration, i.e. microstructures with large grain size, high homogeneity in the grain size distribution as well as a strong texture.

Analyses of grain size distribution after annealing indicate a strong retardation in grain growth by the solute in all aluminium alloys except Al(Cu). Relative large grain sizes and very small lognormal standard deviations have been observed in Al-l%Cu as well as ternary Al(Cu,Hf) thin films.

Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 77: Symposium D – Interfaces, Superlattices, and Thin Films , 1986 , 521
Copyright
Copyright © Materials Research Society 1987

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References

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