Local and electronic structures of NaNbO, AgNbO, and KNbO

Yoneda, Yasuhiro ; Kobayashi, Toru ; Tsuji, Takuya ; Matsumura, Daiju ; Saito, Yuji ; Noguchi, Yuji*

NaNbO, AgNbO, and KNbO with ABO-type perovskite system is known to possess good ferroelectric properties. We directly determined the rattling space of each atom through local structure analysis. This analysis revealed the bonding sites with large fluctuations varied with varying ion size. Experimental evidence including soft X-ray absorption spectroscopy, indicates that the A-site ions are hybridized with oxygen.

Language	:	English
Journal	:	Japanese Journal of Applied Physics
Volume	:	63
Number	:	9
Pages	:	p.09SP12_1 - 09SP12_10
Publication Year/Month	:	2024/09
Meeting title	:	第41回強誘電体会議(FMA41)
Held date	:	2024/06
Location (city)	:	京都
Location (country)	:	日本
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Paper URL	:	https://doi.org/10.35848/1347-4065/ad72fc
DOI for research data	:	Link to research data related to this paper/report.
Keywords	:	強誘電体; ペロブスカイト型構造; 局所構造; 化学結合状態
Research Facility	:	SPring-8(大型放射光施設)
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Registration No. : BB20231692
JAEA Abstracts No. : 53000144
Paper Submission No. : 28926

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