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Shape Evolution of Faceted Silicon Nanocrystals upon Thermal Annealing in an Oxide Matrix

Published online by Cambridge University Press:  18 July 2013

Zhenyu Yang ,
Alexander R. Dobbie  and
Jonathan G. C. Veinot
Zhenyu Yang
Affiliation:
Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, Alberta, T6G 2G2, Canada
Alexander R. Dobbie
Affiliation:
Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, Alberta, T6G 2G2, Canada
Jonathan G. C. Veinot
Affiliation:
Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, Alberta, T6G 2G2, Canada
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Abstract

It is well established that controlled high-temperature annealing of hydrogen silsesquioxane leads to the formation of small spherical silicon nanocrystals (∼3 nm). The present study outlines an investigation into the influence of annealing time and temperature. After prolonged annealing, crystal surfaces thermodynamically self-optimize to form a variety of faceted structures (e.g., cubic, truncated trigonal and hexagonal structures).

Keywords

Sinanostructurecrystal growth
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1536: Symposium A – Film Silicon Science and Technology , 2013 , pp. 207 - 212
Copyright
Copyright © Materials Research Society 2013 

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References

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