Local structure around Mn atoms in IV-VI ferromagnetic semiconductor Ge $_{0.6}$ Mn $_{0.4}$ Te investigated by X-ray fluorescence holography

Happo, Naohisa*; Tekehara, Yuki*; Fujiwara, Makoto*; Tanaka, Koichi*; Semba, Shinya*; Hosokawa, Shinya*; Hayashi, Koichi*; Hu, W.; Suzuki, Motohiro*; Asada, Hironori*

The local atomic structure around Mn atoms in Ge $_{1-x}$ Mn $_{x}$ Te thin-film single crystal has been investigated by X-ray fluorescence holography (XFH) at room temperature. The obtained atomic image suggests that the Mn atoms replace the Ge atoms in the host GeTe, and the Mn position is stable in the exact positions of the anion fcc sublattice. The XFH result also suggests the fluctuation of the Ge positions or the cation vacancies.

Language	:	English
Journal	:	Japanese Journal of Applied Physics
Volume	:	50
Number	:	5
Pages	:	p.05FC11_1 - 05FC11_2
Publication Year/Month	:	2011/05
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Paper URL	:	https://doi.org/10.1143/JJAP.50.05FC11
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Keywords	:	no keyword
Research Facility	:	SPring-8(大型放射光施設)
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Registration No. : AA20101030
JAEA Abstracts No. : 39000979
Paper Submission No. : 9231

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Local structure around Mn atoms in IV-VI ferromagnetic semiconductor GeMnTe investigated by X-ray fluorescence holography

Local structure around Mn atoms in IV-VI ferromagnetic semiconductor Ge $_{0.6}$ Mn $_{0.4}$ Te investigated by X-ray fluorescence holography