Journal
MATERIALS RESEARCH BULLETIN
Volume 79, Issue -, Pages 52-62Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2016.02.043
Keywords
Thin films; Vapor deposition; Optical properties; X-Ray diffraction; Raman spectroscopy
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In this work, structural and morphological properties of Sn4Sb6S13 thin films grown by single source thermal evaporation were investigated. The films were deposited onto glass substrates heated in the temperature range 30-200 degrees C then characterized by XRD, AFM, SEM and Raman spectroscopy. The films are preferentially oriented along the ((6) over bar 11) plane. Analysis of the surface morphology reveals that the films had an average roughness increasing from 2.81 to 8.23 nm as the substrate temperature increases from 30 to 200 degrees C. The variations of the microstructural parameters, such as crystallite size (D), dislocation density (delta), the number of crystallites per unit area (N), the stacking fault probability (P) and strain (epsilon) with substrate temperature were investigated. Raman measurement was used to obtain more information about structural changes of Sn4Sb6S13 films. The optical parameters were deduced by using Forouhi-Bloomer models. (C) 2016 Elsevier Ltd. All rights reserved.
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