High-Resolution Electron Microscopy Study of [(Ca,Bi)_2CoO_3]_<0.62>CoO_2(Condensed matter: structure and mechanical and thermal properties)

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概要

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• A Bi-substituted Co121 single crystal, grown by a flux growth method, is studied by electron diffraction (ED) measurement and high-resolution electron microscopy (HREM). The atomic arrangement of the Bi-substituted crystal is characterized by extended discommensurate boundaries and 3/5-type monoclinic commensurate structural units, which consist of three rock-salt (RS)-type and five CoO_2 subunits. The 3/5-type units are similarly observed in a Sr-substituted system. In the HREM image taken with the electron beam parallel to the [0010] direction, two regions, namely, the discommensurate and commensurate regions, are connected parallel to the a-c plane.

• 社団法人日本物理学会の論文
• 2008-09-15

著者

• HUANG Xiangyang

  Core Research for Evolutional Science and Technology, Japan Science and Technology Agency

• 宮崎 譲

  Department Of Applied Physics Graduate School Of Engineering Tohoku University

• YUBUTA Kunio

  Institute for Materials Research, Tohoku University

• 湯益 邦夫

  Institute For Materials Research Tohoku University:core Research For Evolutional Science And Technol

• Yubuta Kunio

  Institute For Materials Research Tohoku University

• MIYAZAKI Yuzuru

  Core Research for Evolutional Science and Technology, Japan Science and Technology Agency

• KAJITANI Tsuyoshi

  Core Research for Evolutional Science and Technology, Japan Science and Technology Agency

• Kajiwara Takashi

  Dep. Of Chemistry Graduate School Of Sci. Tohoku Univ.

• Kajitani Tsuyoshi

  Department Of Applied Physics Faculty Of Engineering Tohoku University

• Yubuta Kunio

  Institute For Materials Research Tohoku University:core Research For Evolutional Science And Technol

• Huang Xiangyang

  Core Research For Evolutional Science And Technology Japan Science And Technology Agency

• Miyazaki Yuzuru

  Core Research For Evolutional Science And Technology Japan Science And Technology Agency:department

• Kato T

  Dep. Of Chemistry Graduate School Of Sci. Tohoku Univ.

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