Distorted and undistorted atomic sites in a ferromagnetic semiconductor Ge0.6Mn0.4Te film determined by X-ray fluorescence holography

Naohisa Happo, Kouichi Hayashi, Shinya Senba, Hitoshi Sato, Motohiro Suzuki, Shinya Hosokawa

研究成果: Article査読

8 被引用数 (Scopus)

抄録

Local atomic structures around Ge and Mn atoms in a ferromagnetic semiconductor Ge0.6Mn0.4Te thin film were investigated by performing Ge and Mn Kα X-ray fluorescence holographic experiments. The obtained three-dimensional atomic images revealed that the local structure around Mn formed a rock salt lattice, whereas the lattice around Ge was strongly distorted, which is reflected by a rhombohedral structure of GeTe. The undistorted rock salt environment around the Mn atoms is considered to be a key factor allowing for this alloy to exhibit high-temperature ferromagnetism.

本文言語English
論文番号113601
ジャーナルjournal of the physical society of japan
83
11
DOI
出版ステータスPublished - 2014 11 15

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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