Three-dimensional atomic images of TlInSe2 thermoelectric material obtained by X-ray fluorescence holography

Hosokawa Shinya, Naohisa Happo, Kouichi Hayashi, Kojiro Mimura, Kazuki Wakita, Wen Hu, Hirofumi Ishii, Masato Yoshimura, Jeyaraman Jeyakanthan, Nazim Mamedov

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Abstract

Three-dimensional (3D) atomic images around the Tl atoms in single-crystal TlInSe2 thermoelectric material in the incommensurate phase were reconstructed by Tl LIII 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.

Original languageEnglish
Article number05FC06
JournalJapanese journal of applied physics
Volume50
Issue number5 PART 3
DOIs
Publication statusPublished - 2011 May 1

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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    Shinya, H., Happo, N., Hayashi, K., Mimura, K., Wakita, K., Hu, W., Ishii, H., Yoshimura, M., Jeyakanthan, J., & Mamedov, N. (2011). Three-dimensional atomic images of TlInSe2 thermoelectric material obtained by X-ray fluorescence holography. Japanese journal of applied physics, 50(5 PART 3), [05FC06]. https://doi.org/10.1143/JJAP.50.05FC06