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无机材料学报

无机材料学报

• 研究论文 • 上一篇    下一篇

离子束技术沉积羟基磷灰石薄膜的结构及溶解性能

李旭东; 翁杰; 王培禄+; 赵纯培; 张兴栋   

  1. 四川联合大学材料科学技术研究所; 成都610064; +四川联合大学核科学技术研究所市成都 610064
  • 收稿日期:1997-08-11 修回日期:1997-11-04 出版日期:1998-08-10 网络出版日期:1998-08-10

Structure and Solubility of Hydroxyapatite Thin Films Produced by Ion Beam Technique

LI Xu-Dong; WENG Jie; WANG Pei-Lu+; ZHAO Cun-Pei; ZHANG Xing-Dong   

  1. Institute of Materials Science & Technology; Sichuan University Chengdu 610064 China; +Institute of Nuclear Science & Technology; Sichuan University Chengdu 610064 China
  • Received:1997-08-11 Revised:1997-11-04 Published:1998-08-10 Online:1998-08-10

PDF (PC)

1079

被引次数

32

摘要： 分别采用离子束溅射和离子束增强沉积技术，以烧结羟基磷灰石（HA）陶瓷为靶材，在纯钛金属基片表面沉积HA薄膜．X光电子能谱分析表明：薄膜中Ca、P、O元素的化学态与所用HA陶瓷靶材相接近；相比HA靶材，薄膜表面存在CO32-．X射线衍射分析表明：沉积薄膜均为非晶态结构，经650℃退火处理转变为结晶磷灰石．在模拟体液中的溶解实验揭示：薄膜仅与溶液中Ca、P和O存在离子交换；薄膜易降解，浸泡10天，样品经历了降解、再沉积过程；相比离子束溅射沉积膜，离子束增强沉积膜具有加速沉积Ca、P的能力．

关键词: HA薄膜, 钛, 离子束技术, 结构分析, 溶解性能

Abstract: Hydroxyapatite (HA) thin films were deposited onto titanium substrates separately by ion beam sputtering (IBS) and ion beam enhanced deposition (IBED) methods, by using
sintered pure HA ceramic as a target material. X-ray photoelectron spectroscopy (XPS) analysis showed that the chemical states of Ca, P, O elements of the deposited films
were close to those of used HA ceramic target. The existence of CO2-3 was also determined in the deposited films. The as-deposited films both achieved by IBS and IBED
methods were amorphous, and a hydroxyapatite -type structure was achieved from the annealed films, as revealed by X-ray diffraction analysis. After immersion in the stimulated
body fluid (SBF), the as-deposited films dissolved easily. XPS analysis showed that the deposited films experienced only Ca, P and O ion exchange with the SBF, and the reprecipitation
of calcium phosphate on the deposited films was determined. In comparison with the IBS films, the formation of calcium phosphate was accelerated for the IBED films.

Key words: hydroxyapatite film, titanium, ion beam technique, structural analysis, solubility

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