Hydroxyapatite formation on MOCVD-CaTiO3 coated Ti

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2 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)301-304
Number of pages4
JournalKey Engineering Materials
Volume352
DOIs
Publication statusPublished - 2007 Jan 1

Keywords

  • Calcium titanate
  • Hanks' solution
  • Hydroxyapatite
  • Metal-organic chemical vapor deposition

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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