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The Effect of Substrate Temperature on the Band Transition, Cauchy Dispersion and Urbach Energy of Nanostructure CdO Thin Films

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Abstract:

Thin films of CdO were prepared by chemical spray pyrolysis (CSP) . The effect of different temperature substrate (300,350,400,450 and 500) °C on some optical parameters has been studied . The transmittance and the optical energy gap were increased from (2.503-2.589) eV ,on the contrary of the rest parameters such as refractive index , real and imaginary parts of dielectric constant and Urbach energy which they were decreased as the substrate temperature increase.

Info:

Periodical:
International Letters of Chemistry, Physics and Astronomy (Volume 58)
Pages:
83-89
DOI:
https://doi.org/10.18052/www.scipress.com/ILCPA.58.83
Citation:
M. H. Jadduaa et al., "The Effect of Substrate Temperature on the Band Transition, Cauchy Dispersion and Urbach Energy of Nanostructure CdO Thin Films", International Letters of Chemistry, Physics and Astronomy, Vol. 58, pp. 83-89, 2015
Online since:
Sep 2015
Authors:
Muneer H. Jadduaa, Zainab Ali Harbi, Nadir F. Habubi
Keywords:
Cauchy Dispersion Relation, CdO Thin Films, CSP, Urbach Energy
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Distribution:
Open Access

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Creative Commons Attribution 4.0 International License

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