Hydroxyapatite based nanocomposite ceramics
作者： A.A. Hendi
DOI: 10.1016/J.JALLCOM.2017.04.021
关键词: Dielectric 、 Nanostructure 、 Ceramic 、 Nanocomposite 、 Nanoparticle 、 Doping 、 Sol-gel 、 Composite material 、 Materials science 、 Ferroelectricity
摘要: Lanthanum-doped hydroxyapatite ceramics were synthesized by the sol gel method and their chemical composition analyzed FTIR EDS. SEM observations showed all samples to exhibit a spherical nanoparticles nanostructure. The electrical properties of La doped HAp investigated dielectric polarization -voltage measurements. constant, er increased gradually with amount lanthanum doping. A non-Debye type relaxation mechanism was observed as well ferroelectric behavior. Results indicate that doping improves ceramics.
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