Local clusters in a distorted rocksalt gete crystal found by X-ray fluorescence holography

Shinya Hosokawa, Naohisa Happo, Shinya Senba, Toru Ozaki, Tomohiro Matsushita, Akihide Koura, Fuyuki Shimojo, Kouichi Hayashi

研究成果: Article査読

8 被引用数 (Scopus)

抄録

A Ge Kα X-ray fluorescence holography (XFH) measurement was performed on a single-crystal GeTe film with a deformed rocksalt (rhombohedral) lattice, for which careful analyses and observations of the reconstructed atomic images were needed. The three-dimensional atomic images obtained around the central Ge atom were compared with the theoretical images obtained from a simulated hologram in the full sphere range and in the limited θ range (0 < θ < 74°),as in the experiment. It was found that reliable atomic images were realized only when neighboring atoms are located on the surface side of the central Ge atom. GeTe3 clusters were found by XFH, which cannot be easily detected by diffraction, and confirmed by ab initio molecular dynamics simulation.

本文言語English
論文番号124602
ジャーナルjournal of the physical society of japan
83
12
DOI
出版ステータスPublished - 2014 12月 15

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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