Water-based sol-gel synthesis and crystal structure refinement of lanthanum silicate apatite

Kobayashi, Kiyoshi*; Matsushita, Yoshitaka*; Igawa, Naoki ; Izumi, Fujio*; Nishimura, Chikashi*; Miyoshi, Shogo*; Oyama, Yukiko*; Yamaguchi, Shu*

A novel synthesis method of lanthanum silicate apatite was developed by a sol-gel method using an aqueous solution system. The processes of apatite phase formation were investigated by XRD and TG-DTA. Lanthanum dioxide carbonate was found in the sample below 873 K and lanthanum silicate apatite was formed above 1073 K. It was founded that the profiles of powder XRD and neutron diffraction could be refined by the oxy-apatite structure with the space group 6 $_{3}$ /.

Language	:	English
Journal	:	Solid State Ionics
Volume	:	179
Number	:	38
Pages	:	p.2209 - 2215
Publication Year/Month	:	2008/11
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Paper URL	:	https://doi.org/10.1016/j.ssi.2008.07.023
DOI for research data	:	Link to research data related to this paper/report.
Keywords	:	no keyword
Research Facility	:	JRR-3M(研究炉3)
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Cooperating Institute	:	物質・材料研究機構

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Registration No. : AA20080555
JAEA Abstracts No. : 37000057
Paper Submission No. : 5046

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