Neutron scattering for the study of improved bone implants

被引：15

作者：

Arcos, D. ^{[1
,2
]}

Rodriguez-Carvajal, J. ^{[1
]}

Vallet-Regi, M. ^{[2
]}

机构：

[1] Ctr Etud Saclay, Lab Leon Brillouin, CNRS, F-91191 Gif Sur Yvette, France

[2] UCM, Dpto Q Inorgan Bioinorgan, Ftad Farm, Madrid 28040, Spain

来源：

PHYSICA B-CONDENSED MATTER | 2004年 / 350卷 / 1-3期

关键词：

Biomaterials; Hydroxyapatites; Neutron diffraction;

D O I：

10.1016/j.physb.2004.03.162

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

In order to explain the higher bioactivity of the silicon-substituted hydroxyapatite (SiHA), synthetic ceramic hydroxyapatite (HA) and SiHA have been structurally studied by neutron scattering. The Rietveld refinements show that the final compounds are oxy-hydroxyapatites, when are obtained by solid-state synthesis under air atmosphere. By using neutron diffraction, the substitution of P by Si into the apatite structure has been corroborated in these compounds. Moreover, these studies also allow us to explain the better bioactive behavior of SiHA, in terms of a higher thermal displacement parameters of the H located at the 4e site. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：E607 / E610

页数：4

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