RF-Sputtered MoS2 Film Morphology and the Imperfection Nucleation Model

Author:

Jakovidis G.1,Jamieson I. M.1,Singh A.2

Affiliation:

1. School of Physics and Materials Engineering, Monash University, Victoria 3800, Australia

2. Physics Department, The University of the South Pacific, Suva, Fiji

Abstract

RF-sputtered MoS2 films revealing the characteristics of bulk type II orientation on GaAs are reported for the first time. It is found that RF power and temperature have a pronounced effect on film morphology. Type II bulk-oriented films are obtained with a combination of low RF power and high substrate temperature. The results on GaAs are successfully interpreted within the context of an extension to the imperfection nucleation model of film formation. Films deposited on glass display an unusual morphology consisting of two distinct phases. Such phases may be related to the presence of sodium in the glass that leads to chemical texturing via a sodium thio-molybdate phase.

Publisher

World Scientific Pub Co Pte Lt

Subject

Materials Chemistry,Surfaces, Coatings and Films,Surfaces and Interfaces,Condensed Matter Physics

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