Preparation of iridium and platinum films by MOCVD and their properties

T. Goto, R. Vargas, T. Hirai

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38 Citas (Scopus)

Resumen

Noble metals (Ir, Pt) films were prepared by MOCVD using metal-acetylacetonate precursors. The effects of deposition conditions on depositions rates, composition and microstructure were studied, and the optimum conditions were determined. A small amount of oxygen addition to the source gas was effective to prepare high-purity films. Epitaxially grown films were obtained on several kinds of single crystalline substrates. Black-colored powdery films containing impurity carbon were prepared without oxygen addition. These black films consists of fine particles about several nanometer in size. Ir films prepared without oxygen addition showed superior electrical and catalytic properties as an electrode for zirconia solid electrolytes particularly below 600°C.

Idioma originalInglés
Páginas (desde-hasta)297-304
Número de páginas8
PublicaciónJournal De Physique. IV : JP
Volumen3
N.º3
DOI
EstadoPublicada - 1993
Publicado de forma externa
EventoProceedings of the 9th European Conference on Chemical Vapour Deposition - Tampere, Finl
Duración: 22 ago. 199327 ago. 1993

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