Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.21/1775
Título: Morphological and structural characterization of CrO2/Cr2O3 films grown by laser-CVD
Autor: Sousa, P. M.
Silvestre, A. J.
Popovici, N.
Conde, O.
Palavras-chave: Laser-Assisted CVD
CrO2/Cr2O3 Two-Phase System
Chromium-Oxide Films
Spin Polarization
Data: 15-Jul-2005
Editora: Elsevier Science BV
Citação: Sousa P M, Silvestre A J, Popovici N, Conde O. Morphological and structural characterization of CrO2/Cr2O3 films grown by laser-CVD. Applied Surface Science. 2005: 247 (1-4), 423-428.
Resumo: 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 the 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 O-2 to Cr(CO)(6) and laser fluence are the prominent parameters that have to be accurately controlled in order to co-deposit both the 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 of about 1. (c) 2005 Elsevier B.V. All rights reserved.
Peer review: yes
URI: http://hdl.handle.net/10400.21/1775
ISSN: 0169-4332
Aparece nas colecções:ISEL - Física - Artigos

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