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The Evolution of Titanium-Silicon Interfaces as Monitored by X-Ray Diffraction

Published online by Cambridge University Press:  25 February 2011

Thomas Novet ,
John McConnell  and
David C. Johnson
Thomas Novet
Affiliation:
University of Oregon, Department of Chemistry and Materials Science Institute Eugene, Oregon 97403
John McConnell
Affiliation:
University of Oregon, Department of Chemistry and Materials Science Institute Eugene, Oregon 97403
David C. Johnson
Affiliation:
University of Oregon, Department of Chemistry and Materials Science Institute Eugene, Oregon 97403
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Abstract

Reactions in solids occur at interfaces. Following interfacial reactions has been difficult due to the small fraction of material making up the interfaces. In this paper, variable-temperature grazing x-ray diffraction is used to probe interfacial reactions in modulated ultra-thin film layered composites. This technique permits the monitoring of solid-state reactions in their earliest stages. The initial evolution of titanium-silicon interfaces within a superlattice is discussed. Our data suggest that the classical approach of modeling diffusion via Fick's laws is insufficient to describe the initial interdiffusion or mixing reaction at an interface.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 238: Symposium Cb – Structure and Properties of Interfaces in Materials , 1991 , 581
Copyright
Copyright © Materials Research Society 1992

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References

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