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Atomic imaging of BaTiO$$_{3}$$ by multiple-wavelength neutron holography

Yamakawa, Kota*; Nakada, Hajime*; Kimura, Koji*; Oikawa, Kenichi   ; Harada, Masahide   ; Inamura, Yasuhiro  ; Oyama, Kenji*; Hayashi, Koichi*

Atomic resolution holography is a method to obtain atomic arrangements around specific elements. In particular, neutron holography enables the observation of light elements such as O atoms, which are difficult to observe using X-rays. In this study, neutron holography experiments were conducted on BaTiO$$_{3}$$. As a result, clear atomic images of O surrounding Ti were successfully observed. Based on the calculation of image intensity as a function of atomic displacement, the displacement of the O atom relative to the Ti atom was estimated to be 0.23 $AA from the observed image intensity of the O atom. Furthermore, considering the atomic displacement parameter, the difference in position between the Ti and O atoms in the polarization direction was estimated to be 0.16{AA}$.

Language

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English

Journal

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Journal of the Physical Society of Japan

Volume

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93

Number

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10

Pages

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p.104601_1 - 104601_5

Publication Year/Month

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2024/10

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Patent information

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Paper URL

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https://doi.org/10.7566/JPSJ.93.104601

DOI for research data

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Link to research data related to this paper/report.

Keywords

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multiple-wavelength neutron holography; ferroelectric BaTiO$$_{3}$$

Research Facility

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J-PARC物質・生命科学実験施設  

Press Release

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JAEA R&D Navigator

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Cooperating Institute

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Accesses

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- Accesses

InCites™

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Percentile:31.93

Category:Physics, Multidisciplinary

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