期刊
PHYSICA B-CONDENSED MATTER
卷 404, 期 12-13, 页码 1867-1873出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physb.2009.03.008
关键词
Hydroxyapatite; High resolution electron microscopy; Electron beam interaction; Surface reconstruction modification
资金
- DGAPA-UNAM [IN111808]
- Federation Biomateriaux Nord-Pas de Calais
Synthetic hydroxyapatite (HAP) samples were observed in the high resolution transmission electron microscope (HRTEM) using an electron beam of 400kV and, after formation of voids, the reconstruction of its structure was recorded. This phenomenon is most possible due to various electron-crystal interaction mechanisms, such as ballistic knock-on damage, electron-beam heating, etc., but it is still not quite sure which of them creates these contradictory phenomena. This is the first time that a process of destruction/reconstruction in apatite crystals under electron irradiation is reported. (C) 2009 Elsevier B.V. All rights reserved.
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