期刊
BIOMATERIALS
卷 21, 期 17, 页码 1755-1761出版社
ELSEVIER SCI LTD
DOI: 10.1016/S0142-9612(00)00061-2
关键词
hydroxyapatite; coating; electrodeposition; TEM; SFM
Hydroxyapatite films have been grown in this work by an electrodeposition method involving both physical and chemical processes and presenting several differences with respect to other reported works. Description of the coating formation is based on the evolution of current through the sample placed as positive electrode in the basic electrolyte. The characterisation of hydroxyapatite films is of special importance since the bioactive properties related to HAP have been directly identified with its specific composition (Ca/P ratio) and crystalline structure. This characterisation has been traditionally fulfilled by the use of XRD, FTIR and SEM. Results of a further characterisation of the coatings by TEM and SFM, additional to the analysis by XRD, FTIR and SEM, are presented. Interpretation and comparison of our results with those obtained by other electrodeposition methods lead to arguments in favour of a deposition produced directly from ionic species. (C) 2000 Elsevier Science Ltd. All rights reserved.
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