Optical and electrical properties of tin-doped cadmium oxide films prepared by electron beam technique

Ali, Hapipah Mohd and Hasaneen, M.F. and Wakkad, M.M. and Mohamed, H.A. (2009) Optical and electrical properties of tin-doped cadmium oxide films prepared by electron beam technique. Japanese Journal of Applied Physics, 48 (4). ISSN 0021-4922, DOI https://doi.org/10.1143/jjap.48.041101.

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Official URL: http://jjap.jsap.jp/link?JJAP/48/041101/


Tin-doped cadmium oxide films were deposited by electron beam evaporation technique. The structural, optical and electrical properties of the films were characterized. The X-ray diffraction, (XRD) study reveals that the films are polycrystalline in nature. As composition and structure change due to the dopant ratio and annealing temperature, the carrier concentration was varied around 10(20) cm(-3), and the mobility increased from less than 10 to 45 cm(2) V(-1) s(-1). A transmittance value of similar to 83% and a resistivity value of 4.4 x 10(-4) Q cm were achieved for (CdO)(0.88)(SnO(2))(0.12) film annealed at 350 degrees C for 15 min., whereas the maximum value of transmittance similar to 93% and a resistivity value of 2.4 x 10(-3) Omega cm were obtained at 350 degrees C for 30 min. The films exhibited direct band-to-band transitions, which corresponded to optical band gaps of 3.1-3.3eV. (c) 2009 The Japan Society of Applied Physics

Item Type: Article
Additional Information: Department of Chemistry, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA
Uncontrolled Keywords: Transparent Conducting Oxides; Thin-Films; Physical-Properties; Structural-Properties; Reactive Evaporation; Spray-Pyrolysis; Deposition
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Science > Department of Chemistry
Depositing User: Miss Malisa Diana
Date Deposited: 05 Apr 2013 02:11
Last Modified: 29 Jan 2019 08:34
URI: http://eprints.um.edu.my/id/eprint/5402

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