2013 Fiscal Year Final Research Report
Static and dynamical structural study of ferroelectrics under applied electric field at various temperatures
| Project/Area Number |
23360014
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Applied materials science/Crystal engineering
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| Research Institution | Hiroshima University |
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Principal Investigator |
KUROIWA Yoshihiro 広島大学, 理学(系)研究科(研究院), 教授 (40225280)
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| Co-Investigator(Kenkyū-buntansha) |
MORIYOSHI Chikako 広島大学, 大学院理学研究科, 准教授 (00325143)
OSAWA Hitoshi 公益財団法人 高輝度光科学研究センター, 利用研究促進部門, 研究員 (00443549)
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| Project Period (FY) |
2011-04-01 – 2014-03-31
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| Keywords | 誘電体物性 / ペロブスカイト / X線回折 / 電場印加実験 / 時分割実験 / 結晶構造解析 / 放射光 |
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| Research Abstract |
In-situ measuring techniques for lattice strain in ferroelectrics under applied high electric-field have been developed. An X-ray diffractometer with a simultaneous measuring system for dielectric properties is installed in Hiroshima University. The basis of structural study to investigate the static change in crystal structures under electric field at various temperatures is established in the laboratory, while the time-resolved measuring system is built up in SPring-8 by our group for dynamical study. We have succeeded in capturing instantaneous change in lattice strain in ferroelectrics for millionths of a second during the polarization reversal and the piezoelectric vibration using the system.
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[Journal Article] Microstructure and Piezoelectric Properties of BaTiO_3-Bi(Mg_<1/2>Ti_<1/2>)O_3-BiFeO_3 ceramics2013
Author(s)
R.Mitsui, I.Fujii, K.Nakashima, N.Kumada, T.Watanabe, M.Shimada, J.Hayashi, H.Yabuta, M.Kubota, T.Fukui, Y.Kuroiwa and S.Wada
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Journal Title
Key Engineering Materials
Volume: 566
Pages: 59-63
DOI
Peer Reviewed
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[Journal Article] Success in Capturing Instantaneous Atomic Movement Induced by Application of Voltage for Millionths of a Second2012
Author(s)
C.Moriyoshi, S.Hiramoto, H.Ohkubo, Y.Kuroiwa, H.Osawa, K.Sugimoto, S.Kimura, M.Takata, Y.Kitanaka, Y.Noguchi, and M.Miyayama
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Journal Title
J. of Synchrotron Rad. (facility information of SPring-8)
Volume: 19, Part 2, March (2012)
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[Journal Article] Synchrotron Radiation Study on Time-resolved Tetragonal Lattice Strain of BaTiO_3 under Electric Field2011
Author(s)
C.Moriyoshi, S.Hiramoto, H.Ohkubo, Y.Kuroiwa, H.Osawa, K.Sugimoto, S.Kimura, M.Takata, Y.Kitanaka, Y.Noguchi and M.Miyayama
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Journal Title
Jpn. J. Appl. Phys. (Spotlights, Top 20 Most Downloaded Articles 2011 Oct. & Nov. Press Release)
Volume: 50
Pages: 09NE05/1-4
DOI
Peer Reviewed
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[Presentation]2013
Author(s)
引地奈津子, 森吉千佳子, 黒岩芳弘, 大沢仁志, 杉本邦久, 北中佑樹, 野口祐二, 宮山勝
Organizer
日本物理学会第68回年次大会
Place of Presentation
広島大学
Year and Date
20130326-29
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[Presentation] Synchrotron Radiation Study on Time-Resolved Tetragonal Lattice Strain of BaTiO_3 under Electric Field2012
Author(s)
C.Moriyoshi, S.Hiramoto, H.Ohkubo, Y.Kuroiwa, H.Osawa, K.Sugimoto, S.Kimura, M.Takata, Y.Kitanaka, Y.Noguchi, and M.Miyayama
Organizer
第73回応用物理学会学術講演会
Place of Presentation
愛媛大学
Year and Date
20120911-14
Invited
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[Presentation] 放射光単結晶回折によるBaTiO_3 の電場印加正方晶歪みの時分割測定2011
Author(s)
森吉千佳子, 平本尚三, 大久保寿紀, 黒岩芳弘, 大沢仁志, 杉本邦久, 木村 滋,高田昌樹, 北中佑樹, 野口祐二, 宮山勝
Organizer
第28回強誘電体応用会議(FMA-28)
Place of Presentation
京都
Year and Date
2011-05-25
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