Abdellaoui, A. and Lévêque, G. and Donnadieu, A. and Bath, A. and Bouchikhi, B. (1997) Iteratively derived optical constants of MoO3 polycrystalline thin films prepared by CVD. Thin Solid Films, 304 (1-2). pp. 39-44.

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Abstract

Polycrystalline MoO3 thin films have been prepared by oxidation at high temperature of molybdenum compound layers deposited by chemical vapour deposition (CVD) from molybdenum hexacarbonyl Mo(CO)6. In this paper is presented the experimental procedure to prepare polycrystalline MoO3 coatings by annealing at various temperatures and in various annealing environments of "black molybdenum" or "reflective molybdenum" thin films. From X-ray diffraction measurements the structure of the films has been determined. The optical constants n and k of films were calculated by numerical iteration, using the Fresnel laws and dispersion relations of n and k. From these results the optical gap Eg has been deduced. All the samples exhibited the electrochromic effect. © 1997 Elsevier Science S.A.

Item Type: Article
Uncontrolled Keywords: Annealing; Chemical vapor deposition; Electrochromism; Iterative methods; Mathematical models; Molybdenum compounds; Oxidation; Polycrystalline materials, Fresnel laws; Molybdenum oxides, Thin films
Subjects: Materials Science
Divisions: SCIENTIFIC PRODUCTION > Materials Science
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:48
URI: http://eprints.umi.ac.ma/id/eprint/3809

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