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Characterization of Calcium Phosphate Films Prepared by RF Magnetron Sputtering

Published online by Cambridge University Press:  01 February 2011

Takayuki Narushima ,
Kyosuke Ueda ,
Takashi Goto ,
Tomoyuki Katsube ,
Hiroshi Kawamura ,
Chiaki Ouchi  and
Yasutaka Iguchi
Takayuki Narushima
Affiliation:
narut@tubero.tohoku.ac.jp, Tohoku University Biomedical Engineering Research Organization (TUBERO), Aobayama Materials Science Branch, 6-6-02 Aza Aoba, Aramaki, Aoba-ku, Sendai, Miyagi Pref., 980-8579, Japan, +81-22-795-5258, +81-22-795-5258
Kyosuke Ueda
Affiliation:
kyoukyou@stu.material.tohoku.ac.j
Takashi Goto
Affiliation:
goto@imr.tohoku.ac.jp
Tomoyuki Katsube
Affiliation:
katsube@mail.tains.tohoku.ac.jp
Hiroshi Kawamura
Affiliation:
kawwamura@dazo.ddh.tohoku.ac.jp
Chiaki Ouchi
Affiliation:
couchi@argon.material.tohoku.ac.jp
Yasutaka Iguchi
Affiliation:
iguchi@material.tohoku.ac.jp
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Abstract

Calcium phosphate films were prepared on commercially pure titanium (CP-Ti) substrates by RF magnetron sputtering using β-tricalcium phosphate targets. XRD and FTIR analyses showed that the films consisted of amorphous calcium phosphate and oxyapatite phases. The (002) preferred orientation of the oxyapatite phase was observed depending on the oxygen gas concentration in the sputtering gas. The surface reactions of the calcium phosphate films were investigated in Hanks' solution and PBS(-). Apatite crystallites were detected on the films after immersion for 7 days. An active surface reaction was observed on the amorphous calcium phosphate films during immersion in PBS(-). The CP-Ti plates coated with the calcium phosphate films were placed on the mandible of male Japanese white rabbits. These results suggest that the calcium phosphate coating improves the biocompatibility of titanium implants with bone.

Keywords

coatingTibiomedical
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 888: Symposium V – Materials and Devices for Smart Systems II , 2005 , 0888-V05-01
Copyright
Copyright © Materials Research Society 2006

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References

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