Crystal chemistry of hydroxyapatite deposited on titanium by sputtering technique

被引：0

作者：

Ozeki, K ^{[1
]}

Yuhta, T

Aoki, H

Nishimura, I

Fukui, Y

机构：

[1] Tokyo Denki Univ, Dept Elect & Comp Engn, Hiki, Saitama 3500394, Japan

[2] Tokyo Bioceram Inst Co Ltd, Chuo Ku, Tokyo 1030022, Japan

[3] Hokkaido Univ, Dept Biomed Engn, Kita Ku, Sapporo, Hokkaido 0608628, Japan

来源：

BIO-MEDICAL MATERIALS AND ENGINEERING | 2000年 / 10卷 / 3-4期

关键词：

hydroxyapatite; sputtering; crystal size; particle size; calcium oxide;

D O I：

暂无

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Crystalline hydroxyapatite (HA) powder was coated on titanium substrate by radio frequency (RF) magnetron sputtering. The coating was homogeneous thin Aim and the thickness was 1 mum. Crystallinity of the HA coating was low and Ca/P ratio was high as 3.0. Particle sizes were 40 similar to 100 nm, and the crystallite size was calculated by 30 similar to 50 nm using an X-ray diffractometry (XRD) and a transmission electron microscopy (TEM). When the coating was heated at 800 degreesC for 1 h, the low crystalline HA grew up crystalline HA, and a diffraction pattern of CaO appeared. When the coating was immersed in pH 7.4 of bovine serum for 1 week, c-axis of HA increased.

引用

页码：221 / 227

页数：7

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