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Elsevier, Applied Surface Science, 1-4(247), p. 423-428

DOI: 10.1016/j.apsusc.2005.01.061

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Morphological and Structural Characterization of Cro2/Cr2o3 Films Grown by Laser-CVD

Journal article published in 2005 by P. M. Sousa, A. J. Silvestre ORCID, N. Popovici, N. Popovici1, O. Conde ORCID
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This paper is available in a repository.

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Abstract

This work reports on the synthesis of chromium (III, IV) oxides films by KrF laser-assisted CVD. Films were deposited onto sapphire substrates at room temperature by photodissociation of Cr(CO)6 in dynamic atmospheres containing oxygen and argon. A study of the processing parameters has shown that partial pressure ratio of O2 to Cr(CO)6 and laser fluence are the prominent parameters that have to be accurately controlled in order to co-deposit both crystalline oxide phases. Films consistent with such a two-phase system were synthesised for a laser fluence of 75 mJ cm-2 and a partial pressure ratio about 1. PACS: 81.15.Fg, 81.15.Kk, 81.05.Je ; Comment: 17 pages, 4 figures