Hydroxyapatite formation on CaTiO3 film prepared by metal-organic chemical vapor deposition

Mitsutaka Sato; Rong Tu; Takashi Goto; Kyosuke Ueda; Takayuki Narushima

doi:10.2320/matertrans.MRA2007016

Hydroxyapatite formation on CaTiO₃ film prepared by metal-organic chemical vapor deposition

Mitsutaka Sato, Rong Tu, Takashi Goto, Kyosuke Ueda, Takayuki Narushima

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

Calcium titanate (CaTiO₃) films were prepared on commercially pure titanium (CP-Ti) by metal-organic chemical vapor deposition using Ca(dpm)₂ and Ti(O-i-Pr)₂(dpm)₂ precursors. The formation of hydroxyapatite (HAp, Ca₁₀)(PO₄) ₆(OH)₂) on CaTiO₃ film was investigated in a Hanks' solution. The formation rate of HAp was significantly affected by deposition conditions of CaTiO₃ films, particularly substrate temperature (T_sub). The time for the HAp formation was 3.6 Ms (42d) on the CaTiO₃ film prepared at T_sub = 873K, wheras that was 1.2 (14d) and 0.3 Ms (3 d) on that prepared at T_sub = 973 and 1073 K, respectively. Octacalcium phosphate (OCP, Ca₈H ₂(PO₄)₆·5H₂O) was identified on the CaTiO₃ film prepared at T_sub = 1073 K by the immersion for 21.6ks.

Original language	English
Pages (from-to)	1505-1510
Number of pages	6
Journal	Materials Transactions
Volume	48
Issue number	6
DOIs	https://doi.org/10.2320/matertrans.MRA2007016
Publication status	Published - 2007 Jun

Keywords

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

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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title = "Hydroxyapatite formation on CaTiO3 film prepared by metal-organic chemical vapor deposition",

abstract = "Calcium titanate (CaTiO3) films were prepared on commercially pure titanium (CP-Ti) by metal-organic chemical vapor deposition using Ca(dpm)2 and Ti(O-i-Pr)2(dpm)2 precursors. The formation of hydroxyapatite (HAp, Ca10)(PO4) 6(OH)2) on CaTiO3 film was investigated in a Hanks' solution. The formation rate of HAp was significantly affected by deposition conditions of CaTiO3 films, particularly substrate temperature (Tsub). The time for the HAp formation was 3.6 Ms (42d) on the CaTiO3 film prepared at Tsub = 873K, wheras that was 1.2 (14d) and 0.3 Ms (3 d) on that prepared at Tsub = 973 and 1073 K, respectively. Octacalcium phosphate (OCP, Ca8H 2(PO4)6·5H2O) was identified on the CaTiO3 film prepared at Tsub = 1073 K by the immersion for 21.6ks.",

keywords = "Calcium titanate, Hanks' solution, Hydroxyapatite, Metal-organic chemical vapor deposition, Octacalcium phosphate",

author = "Mitsutaka Sato and Rong Tu and Takashi Goto and Kyosuke Ueda and Takayuki Narushima",

year = "2007",

month = jun,

doi = "10.2320/matertrans.MRA2007016",

language = "English",

volume = "48",

pages = "1505--1510",

journal = "Materials Transactions",

issn = "1345-9678",

publisher = "Japan Institute of Metals (JIM)",

number = "6",

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TY - JOUR

T1 - Hydroxyapatite formation on CaTiO3 film prepared by metal-organic chemical vapor deposition

AU - Sato, Mitsutaka

AU - Tu, Rong

AU - Goto, Takashi

AU - Ueda, Kyosuke

AU - Narushima, Takayuki

PY - 2007/6

Y1 - 2007/6

N2 - Calcium titanate (CaTiO3) films were prepared on commercially pure titanium (CP-Ti) by metal-organic chemical vapor deposition using Ca(dpm)2 and Ti(O-i-Pr)2(dpm)2 precursors. The formation of hydroxyapatite (HAp, Ca10)(PO4) 6(OH)2) on CaTiO3 film was investigated in a Hanks' solution. The formation rate of HAp was significantly affected by deposition conditions of CaTiO3 films, particularly substrate temperature (Tsub). The time for the HAp formation was 3.6 Ms (42d) on the CaTiO3 film prepared at Tsub = 873K, wheras that was 1.2 (14d) and 0.3 Ms (3 d) on that prepared at Tsub = 973 and 1073 K, respectively. Octacalcium phosphate (OCP, Ca8H 2(PO4)6·5H2O) was identified on the CaTiO3 film prepared at Tsub = 1073 K by the immersion for 21.6ks.

AB - Calcium titanate (CaTiO3) films were prepared on commercially pure titanium (CP-Ti) by metal-organic chemical vapor deposition using Ca(dpm)2 and Ti(O-i-Pr)2(dpm)2 precursors. The formation of hydroxyapatite (HAp, Ca10)(PO4) 6(OH)2) on CaTiO3 film was investigated in a Hanks' solution. The formation rate of HAp was significantly affected by deposition conditions of CaTiO3 films, particularly substrate temperature (Tsub). The time for the HAp formation was 3.6 Ms (42d) on the CaTiO3 film prepared at Tsub = 873K, wheras that was 1.2 (14d) and 0.3 Ms (3 d) on that prepared at Tsub = 973 and 1073 K, respectively. Octacalcium phosphate (OCP, Ca8H 2(PO4)6·5H2O) was identified on the CaTiO3 film prepared at Tsub = 1073 K by the immersion for 21.6ks.

KW - Calcium titanate

KW - Hanks' solution

KW - Hydroxyapatite

KW - Metal-organic chemical vapor deposition

KW - Octacalcium phosphate

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