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Heteroepitaxial Nucleation and Growth of Ge ON Si(100) Surfaces Using Remote Plasma Enhanced Chemical Vapor Deposition

Published online by Cambridge University Press:  28 February 2011

R.A. Rudder
Affiliation:
Center for Semiconductor Research, Research Triangle Institute, Research Triangle Park, NC 27709
S.V. Hattangady
Affiliation:
Center for Semiconductor Research, Research Triangle Institute, Research Triangle Park, NC 27709
D.J. Vitkavage
Affiliation:
Center for Semiconductor Research, Research Triangle Institute, Research Triangle Park, NC 27709
R.J. Markunas
Affiliation:
Center for Semiconductor Research, Research Triangle Institute, Research Triangle Park, NC 27709
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Abstract

Heteroepitaxial growth of Ge on Si(100) has been accomplished using remote plasma enhanced chemical vapor deposition at 300*#x00B0;C. Reconstructed surfaces with diffraction patterns showing non-uniform intensity variations along the lengths of the integral order streaks are observed during the first 100 Å of deposit. This observation of an atomically rough surface during the initial stages of growth is an indication of three-dimensional growth. As the epitaxial growth proceeds, the diffraction patterns become uniform with extensive streaking on both the integral and fractional order streaks. Subsequent growth, therefore, takes place in a layer-by-layer, two-dimensional mode. X-ray photoelectron spectroscopy of the early nucleation stages, less than 80 Å, show that there is uniform coverage with no evidence of island formation.

Type
Research Article
Copyright
Copyright © Materials Research Society 1988

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