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Growth of CuInS2 Films on Crystalline Substrates

Published online by Cambridge University Press:  10 February 2011

R. Hunger
Affiliation:
Hahn-Meitner-Institute, Department of Physical Chemistry, 14109 Berlin, Germany
R. Scheer
Affiliation:
Hahn-Meitner-Institute, Department of Physical Chemistry, 14109 Berlin, Germany
M. Alt
Affiliation:
Hahn-Meitner-Institute, Department of Physical Chemistry, 14109 Berlin, Germany
H. J. Lewerenz
Affiliation:
Hahn-Meitner-Institute, Department of Physical Chemistry, 14109 Berlin, Germany
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Abstract

CuInS2 films were grown by molecular beam epitaxy (MBE) on hydrogen terminated Si(111) substrates with 4° miscut. X-ray diffraction (XRD) texture analysis reveals that CuInS2 was grown heteroepitaxially with the epitaxial relationships CuInS2(112) II Si(111) and [111] II [111]. Moreover, a substantial amount of rotational twins is observed. The crystalline order is maintained across the interface as observed by cross-sectional transmission electron microscopy (XTEM). XRD and scanning electron microscopy (SEM) investigations show that nonstoichiometric preparation greatly influences the growth morphology and leads to the formation of secondary phases.

Type
Research Article
Copyright
Copyright © Materials Research Society 1996

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