Local structure analysis of ferroelectric materials by collaborating XAFS and PDF

Yoneda, Yasuhiro

We report the results of synchrotron X-ray studies of BaTiO and NaNbO. These materials occur ferroelectric phase transitions in which the average structure changes from a tetragonal to rhombohedral structure. However, the refinements of local structures indicates that the structures in ferroelectric phases have the rhombohedral symmetry. The middle-range order structure of BaTiO and collaboration between PDF and XAFS in NaNbO are also discussed.

Language	:	Japanese
Journal	:	Seramikkusu
Volume	:	51
Number	:	10
Pages	:	p.689 - 693
Publication Year/Month	:	2016/10
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Research Facility	:	SPring-8(大型放射光施設)
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Registration No. : AA20160323
JAEA Abstracts No. : 45000072
Paper Submission No. : 18408

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