Stabilization of strained alloy film growth by a difference in atomic mobilities

B. J. Spencer; Peter W Voorhees; J. Tersoff

doi:10.1063/1.126566

Stabilization of strained alloy film growth by a difference in atomic mobilities

B. J. Spencer^*, Peter W Voorhees, J. Tersoff

^*Corresponding author for this work

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

36 Scopus citations

Abstract

We analyze the development of compositional and surface non uniformities during the growth of strained alloy films, for the case of different surface mobilities of the alloy components. We find that a difference in surface mobilities can completely suppress the stress-driven morphological instability. The stabilization occurs under compressive misfit when one atomic species is both large and fast relative to the other, and similarly under tensile misfit when one species is small and fast.

Original language	English (US)
Pages (from-to)	3022-3024
Number of pages	3
Journal	Applied Physics Letters
Volume	76
Issue number	21
DOIs	https://doi.org/10.1063/1.126566
State	Published - May 22 2000

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.126566

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abstract = "We analyze the development of compositional and surface non uniformities during the growth of strained alloy films, for the case of different surface mobilities of the alloy components. We find that a difference in surface mobilities can completely suppress the stress-driven morphological instability. The stabilization occurs under compressive misfit when one atomic species is both large and fast relative to the other, and similarly under tensile misfit when one species is small and fast.",

author = "Spencer, {B. J.} and Voorhees, {Peter W} and J. Tersoff",

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N2 - We analyze the development of compositional and surface non uniformities during the growth of strained alloy films, for the case of different surface mobilities of the alloy components. We find that a difference in surface mobilities can completely suppress the stress-driven morphological instability. The stabilization occurs under compressive misfit when one atomic species is both large and fast relative to the other, and similarly under tensile misfit when one species is small and fast.

AB - We analyze the development of compositional and surface non uniformities during the growth of strained alloy films, for the case of different surface mobilities of the alloy components. We find that a difference in surface mobilities can completely suppress the stress-driven morphological instability. The stabilization occurs under compressive misfit when one atomic species is both large and fast relative to the other, and similarly under tensile misfit when one species is small and fast.

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Stabilization of strained alloy film growth by a difference in atomic mobilities

Abstract

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