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Mechanisms of Cu<111> Columns Growth

Published online by Cambridge University Press:  01 February 2011

Jian Wang  and
Hanchen Huang
Jian Wang
Affiliation:
Department of Mechanical, Aerospace and Nuclear Engineering Rensselaer Polytechnic Institute, Troy, NY 12180
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Abstract

The Cu <111> columns, which are formed during magnetron sputtering deposition, are faceted on the top and zigzag on sides. Our numerical results of large facet-facet diffusion barriers offer an explanation of the facet dimension. Based on the stacking fault formation energies of various face-centered-cubic metals, we suggest that the zigzag shape of Cu <111> columns is a result of deposition twins. Our molecular dynamics simulations indeed confirm this suggestion. Further, the dynamics simulations reveal the transient role of {100} facets, which facilitate the formation of {111} facets and disappear afterwards.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 849: Symposium KK – Kinetics-Driven Nanopatterning on Surfaces , 2004 , KK8.5
Copyright
Copyright © Materials Research Society 2005

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References

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