Ferroelectric properties of Sr doped hydroxyapatite bioceramics for biotechnological applications

被引：12
|
作者：
AL-Wafi, Reem [1 ]
机构：
[1] King Abdulaziz Univ, Dept Phys, Fac Sci, Jeddah, Saudi Arabia
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2016年 / 689卷
关键词：
Ceramics; Ferroelectric; Sol gel method; POLARIZED HYDROXYAPATITE; CONDUCTIVITY; BIOMATERIALS; LUMINESCENT; ADHESION; YTTRIUM; APATITE; SURFACE; ZINC;
D O I：
10.1016/j.jallcom.2016.07.285
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Electrical and dielectrical properties of strontium doped hydroxyapatite ceramics have been investigated by impedance and ferroelectric spectroscopy. SEM, FTIR and EDS techniques were used to analyze the chemical and structural properties of Sr doped HaP ceramics. The structural analysis shows that the particles size of HaP and Sr doped biomaterials are in the range of nanometer, i. e., the biomaterials are nanomaterials. Sr doping changes the particle distribution and particle size of HaP samples. The dielectric constants of the ceramics are significantly changed with Sr doping. The polarization vs electric fields plots indicate that Sr doped HaP samples are ferroelectric materials. It is evaluated that the ferroelectric properties of hydroxyapatite is controlled by Sr doping. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：169 / 173
页数：5
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