Optical properties of CVD grown amorphous Ge-Sb-S thin films
Optical properties of CVD grown amorphous Ge-Sb-S thin films
Germanium antimony sulphide (Ge-Sb-S) amorphous thin films have been fabricated on commercial glass substrates by chemical vapour deposition (CVD). The compositions and thicknesses of these thin films have been characterized by micro-Raman, scanning electron microscope (SEM) and energy dispersive X-ray analysis (EDX) techniques. Optical transmission spectra measured by UV-VIS-NIR spectrometer have been used to determine the optical properties of these CVD-grown Ge-Sb-S amorphous thin films with Swanepoel's methods. Optical band gaps of these films were calculated from Tauc's extrapolation procedure. The dispersions of the refractive indices of these films have also been determined using the Wemple-DiDomenico method.
chemical vapor deposition, chalcogenides, optical properties
281-285
Huang, C.C.
825f7447-6d02-48f6-b95a-fa33da71f106
Wu, C.C.
00a09c4d-a107-4781-846f-f72856adc5d9
Knight, K.
8834be4f-7dce-43fe-bafd-959e5893bd51
Hewak, D.W.
87c80070-c101-4f7a-914f-4cc3131e3db0
15 February 2010
Huang, C.C.
825f7447-6d02-48f6-b95a-fa33da71f106
Wu, C.C.
00a09c4d-a107-4781-846f-f72856adc5d9
Knight, K.
8834be4f-7dce-43fe-bafd-959e5893bd51
Hewak, D.W.
87c80070-c101-4f7a-914f-4cc3131e3db0
Huang, C.C., Wu, C.C., Knight, K. and Hewak, D.W.
(2010)
Optical properties of CVD grown amorphous Ge-Sb-S thin films.
Journal of Non-Crystalline Solids, 356 (4-5), .
(doi:10.1016/j.jnoncrysol.2009.12.027).
Abstract
Germanium antimony sulphide (Ge-Sb-S) amorphous thin films have been fabricated on commercial glass substrates by chemical vapour deposition (CVD). The compositions and thicknesses of these thin films have been characterized by micro-Raman, scanning electron microscope (SEM) and energy dispersive X-ray analysis (EDX) techniques. Optical transmission spectra measured by UV-VIS-NIR spectrometer have been used to determine the optical properties of these CVD-grown Ge-Sb-S amorphous thin films with Swanepoel's methods. Optical band gaps of these films were calculated from Tauc's extrapolation procedure. The dispersions of the refractive indices of these films have also been determined using the Wemple-DiDomenico method.
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Published date: 15 February 2010
Keywords:
chemical vapor deposition, chalcogenides, optical properties
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Local EPrints ID: 78924
URI: http://eprints.soton.ac.uk/id/eprint/78924
ISSN: 0022-3093
PURE UUID: a4a21e17-a70c-44b8-bcf0-0516f9d89e70
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Date deposited: 16 Mar 2010
Last modified: 14 Mar 2024 02:50
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Author:
C.C. Huang
Author:
C.C. Wu
Author:
K. Knight
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