Local structure analysis of Bi $_{0.5}$ Na $_{0.5}$ TiO

Yoneda, Yasuhiro ; Nagata, Hajime*; Takenaka, Tadashi*

The potential lead-free piezoelectric material bismuth sodium titanate, Bi $_{0.5}$ Na $_{0.5}$ TiO (BNT), was investigated by means of high-energy synchrotron X-ray diffraction. BNT has been assumed thus far to exhibit the rhombohedral space group at room temperature. Recently, the average structure of BNT was described by the monoclinic space group . We performed local structure analysis of BNT using atomic pair-distribution function method. The ground state of BNT was found to be rhombohedral structure in which bismuth and sodium atoms were chemically ordered in the perovskite -site.

Language	:	English
Journal	:	Journal of the Korean Physical Society
Volume	:	66
Number	:	9
Pages	:	p.1339 - 1343
Publication Year/Month	:	2015/05
Meeting title	:	10th Japan-Korea Conference on Ferroelectrics (JKC-FE10)
Held date	:	2014/08
Location (city)	:	Hiroshima
Location (country)	:	Japan
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.3938/jkps.66.1339
DOI for research data	:
Keywords	:	no keyword
Research Facility	:	SPring-8(大型放射光施設)
Press Release	:
Article of JAEA R&D Review	:
Cooperating Institute	:

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Registration No. : BB20150494
JAEA Abstracts No. : 43000926
Paper Submission No. : 16033

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Local structure analysis of BiNaTiO

Local structure analysis of Bi $_{0.5}$ Na $_{0.5}$ TiO