Epitaxial Growth of γ-In2Se3 Films by Molecular Beam Epitaxy

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Copyright (c) 2001 The Japan Society of Applied Physics
, , Citation Tomohiko Ohtsuka Tomohiko Ohtsuka et al 2001 Jpn. J. Appl. Phys. 40 509 DOI 10.1143/JJAP.40.509

1347-4065/40/2R/509

Abstract

Epitaxial growth of γ-In2Se3 film was investigated by molecular beam epitaxy (MBE). γ-In2Se3 epiataxial films with a defect wurtzite structure were successfully grown on GaAs(111)B substrates for the first time. The crystal structure of the γ-In2Se3 epitaxial film was determined by X-ray diffraction (XRD) and atomic force microscopy (AFM). It was found that γ-In2Se3 epitaxial films exhibit a vacancy-ordered crystal structure and that sharrow hexagonal cone structures were formed on the film surface. Furthermore, optical properties of the γ-In2Se3 epitaxial films were investigated by spatially resolved cathodoluminescence (CL).

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