Three-Dimensional Atomic Images of TlInSe2 Thermoelectric Material Obtained by X-ray Fluorescence Holography

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概要

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• Three-dimensional (3D) atomic images around the Tl atoms in single-crystal TlInSe2 thermoelectric material in the incommensurate phase were reconstructed by Tl $L_{\text{III}}$ X-ray fluorescence holography measured at room temperature. In the obtained 3D image, the In atoms are clearly visible at the proper positions in the normal phase. The Tl atomic images are also observed but very weakly. By comparing the experimental image with a theoretically calculated one, it is concluded that only the Tl atoms have large spatial fluctuations, which are related to the incommensurate phase of this material.

• 2011-05-25

著者

• Mamedov Nazim

  Institute Of Physics Azerbaijan Academy Of Sciences

• HAYASHI Kouichi

  Institute for Materials Research, Tohoku University

• Hosokawa Shinya

  Center For Materials Research Using Third-generation Synchrotron Facilities Hiroshima Institute Of T

• Mimura Kojiro

  Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan

• Happo Naohisa

  Graduate School of Information Sciences, Hiroshima City University, Hiroshima 731-3194, Japan

• Hayashi Kouichi

  Institute of Materials Research, Tohoku University, Sendai 980-8577, Japan

• Yoshimura Masato

  NSRRC SPring-8 Office, Sayo, Hyogo 679-5198, Japan

• Ishii Hirofumi

  NSRRC SPring-8 Office, Sayo, Hyogo 679-5198, Japan

• Wakita Kazuki

  Faculty of Engineering, Chiba Institute of Technology, Narashino, Chiba 275-0016, Japan

• Hu Wen

  SPring-8/JAEA, Sayo, Hyogo 679-5148, Japan

• Jeyakanthan Jeyaraman

  NSRRC SPring-8 Office, Sayo, Hyogo 679-5198, Japan

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