HA/BG composite films deposited by pulse laser under O₂ atmosphere

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• 作者：D.G. Wang^a ; ^b ; ^c ; W.L. Zhang^b ; H.J. Li^b ; J.H. Zhang^c ; C.Z. Chen^a ; ^b ; ^{czchen@sdu.edu.cn" class="auth_mail" title="E-mail the corresponding author}
• 关键词：Thin films ; Pulsed laser deposition ; Biomaterials ; Ca/P atomic ratio ; O2 atmosphere
• 刊名：Ceramics International
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：43
• 期：1
• 页码：672-676
• 全文大小：1388 K

文摘

HA/BG composite films have been deposited on Ti-6Al-4V by pulse laser under O₂ atmosphere, and EPMA-EDS, SEM, XRD, FTIR measurements have been performed. Under O₂ atmosphere, the crystallinity of the deposited films increases and Ca/P atomic ratio slightly decreases with increasing the substrate temperature. When the film was deposited at 600 °C, the film was compact and crystalline HA was observed. Comparing with Ar atmosphere, O₂ atmosphere is benefical for decreasing Ca/P atomic ratio of the films, and the in vivo test indicates that the film obtained under O₂ atmosphere has excellent osteoinductivity. So O₂ atmosphere is a promise alternative atmosphere to fabricate HA/BG composite films by pulsed laser deposition.