Hydroxyapatite Formation on MOCVD-CaTiO3 Coated Ti

Abstract:

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Ca-Ti-O films were prepared by MOCVD using Ca(dpm)2 and Ti(OiPr)2(dpm)2 precursors. The phases, composition and morphology of Ca-Ti-O films changed depending on the molar ratio of Ca to Ti precursors (RCa/Ti), total pressure (Ptot) and substrate temperature (Tsub). CaTiO3 films in a single phase were obtained at Tsub = 973 and 1073 K. CaTiO3 films prepared at 873 K had a dense structure and smooth surface. CaTiO3 films prepared at Tsub = 1073 K had complicated rough surface with a cauliflower-like texture. Hydroxyapatite (HAp) formed in 3 days on the CaTiO3 film prepared at Tsub = 1073 K.

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Periodical:

Edited by:

Katsutoshi Komeya, Yohtaro Matsuo and Takashi Goto

Pages:

301-304

DOI:

10.4028/www.scientific.net/KEM.352.301

Citation:

M. Sato et al., "Hydroxyapatite Formation on MOCVD-CaTiO3 Coated Ti", Key Engineering Materials, Vol. 352, pp. 301-304, 2007

Online since:

August 2007

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$35.00

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