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論文

Three dimensional atomic image of TlInSe$$_{2}$$ by X-ray fluorescence holography

三村 功次郎*; 細川 伸也*; 八方 直久*; Hu, W.; 林 好一*; 脇田 和樹*; 石井 啓文*; 吉村 政人*; Jeyakanthan, J.*; Mamedov, N.*

e-Journal of Surface Science and Nanotechnology (Internet), 9, p.273 - 276, 2011/07

https://doi.org/10.1380/ejssnt.2011.273

Three dimensional (3D) atomic images around the Tl atoms in single crystal TlInSe$$_{2}$$ thermoelectric material in the incommensurate phase were reconstructed by using Tl LIII X-ray fluorescence holography measured at room temperature. Comparison of the experimentally obtained 3D images with the theoretically calculated ones suggests that only the Tl atoms have large spatial fluctuations, which are related to the incommensurate phase of this material.

論文

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

八方 直久*; 竹原 祐紀*; 藤原 真*; 田中 公一*; 仙波 伸也*; 細川 伸也*; 林 好一*; Hu, W.; 鈴木 基寛*; 浅田 裕法*

e-Journal of Surface Science and Nanotechnology (Internet), 9, p.247 - 250, 2011/06

https://doi.org/10.1380/ejssnt.2011.247

Local atomic structure around Ge atoms in Ge$$_{1-x}$$Mn$$_{x}$$Te thin film single crystal has been investigated by X-ray fluorescence holography (XFH) at room temperature. Obtained atomic image suggests that the Ge position is not stable in the exact positions of the anion fcc sublattice of the anion, and reveals the fluctuation of the Ge positions or the existence of cation vacancies.

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