Quadruple superstructure with antiferroic ionic displacements in B i1-x S mxFe O3

Y. Horibe; M. Nomoto; T. Inoshita; K. Watanabe; S. W. Cheong; Y. Inoue; Y. Koyama

doi:10.1103/PhysRevB.100.024105

Quadruple superstructure with antiferroic ionic displacements in B i1-x S mxFe O3

Y. Horibe^*, M. Nomoto, T. Inoshita, K. Watanabe, S. W. Cheong, Y. Inoue, Y. Koyama

^*この研究の対応する著者

基幹理工学部

研究成果: Article › 査読

6 被引用数 (Scopus)

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Crystallographic and morphologic features of quadruple and double superstructures in Bi1-xSmxFeO3 with 0≤x≤0.40 were investigated by x-ray powder diffraction and transmission electron microscopy. The presence of a quadruple superstructure accompanied by antiferroic ionic displacements was found near the morphotropic phase boundary between the R3c phase (0<x<0.10) and the Pnma phase (0.25≤x≤0.40). The quadruple superlattice phase coexists with a ferroelectric R3c phase at x=0.15. These superstructures were found to originate from the freezing of multiple phonon modes related to transverse wave ionic displacements. These findings provide further insight towards understanding the complexity of rare-earth-doped BiFeO3.

本文言語	English
論文番号	024105
ジャーナル	Physical Review B
巻	100
号	2
DOI	https://doi.org/10.1103/PhysRevB.100.024105
出版ステータス	Published - 2019 7月 12

ASJC Scopus subject areas

電子材料、光学材料、および磁性材料
凝縮系物理学

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10.1103/PhysRevB.100.024105

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title = "Quadruple superstructure with antiferroic ionic displacements in B i1-x S mxFe O3",

abstract = "Crystallographic and morphologic features of quadruple and double superstructures in Bi1-xSmxFeO3 with 0≤x≤0.40 were investigated by x-ray powder diffraction and transmission electron microscopy. The presence of a quadruple superstructure accompanied by antiferroic ionic displacements was found near the morphotropic phase boundary between the R3c phase (0",

author = "Y. Horibe and M. Nomoto and T. Inoshita and K. Watanabe and Cheong, {S. W.} and Y. Inoue and Y. Koyama",

note = "Funding Information: The authors would like to thank Prof. M. Ishimaru and T. Inokuchi for their experimental support and useful discussions. The x-ray diffraction measurements and TEM observations in this study were partially performed at the Center for Instrumental Analysis, Kyushu Institute of Technology. This work was partly carried out at the Joint Research Center for Environmentally Conscious Technologies in Materials Science (Project No. 30004) at ZAIKEN, Waseda University. This work was supported by the Japan Society for the Promotion of Science, KAKENHI Grants-in-Aid for Scientific Research (B) (No. 17H03393) and (C) (No. 26420681). Publisher Copyright: {\textcopyright} 2019 American Physical Society.",

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doi = "10.1103/PhysRevB.100.024105",

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T1 - Quadruple superstructure with antiferroic ionic displacements in B i1-x S mxFe O3

AU - Horibe, Y.

AU - Nomoto, M.

AU - Inoshita, T.

AU - Watanabe, K.

AU - Cheong, S. W.

AU - Inoue, Y.

AU - Koyama, Y.

N1 - Funding Information: The authors would like to thank Prof. M. Ishimaru and T. Inokuchi for their experimental support and useful discussions. The x-ray diffraction measurements and TEM observations in this study were partially performed at the Center for Instrumental Analysis, Kyushu Institute of Technology. This work was partly carried out at the Joint Research Center for Environmentally Conscious Technologies in Materials Science (Project No. 30004) at ZAIKEN, Waseda University. This work was supported by the Japan Society for the Promotion of Science, KAKENHI Grants-in-Aid for Scientific Research (B) (No. 17H03393) and (C) (No. 26420681). Publisher Copyright: © 2019 American Physical Society.

PY - 2019/7/12

Y1 - 2019/7/12

N2 - Crystallographic and morphologic features of quadruple and double superstructures in Bi1-xSmxFeO3 with 0≤x≤0.40 were investigated by x-ray powder diffraction and transmission electron microscopy. The presence of a quadruple superstructure accompanied by antiferroic ionic displacements was found near the morphotropic phase boundary between the R3c phase (0

AB - Crystallographic and morphologic features of quadruple and double superstructures in Bi1-xSmxFeO3 with 0≤x≤0.40 were investigated by x-ray powder diffraction and transmission electron microscopy. The presence of a quadruple superstructure accompanied by antiferroic ionic displacements was found near the morphotropic phase boundary between the R3c phase (0

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U2 - 10.1103/PhysRevB.100.024105

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Quadruple superstructure with antiferroic ionic displacements in B i1-x S mxFe O3

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