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Quasi-one-dimensional magnetic interactions and conduction electrons in EuCu$$_5$$ and EuAu$$_5$$ with the characteristic hexagonal structure

六方晶の特徴的な結晶構造を有するEuCu$$_5$$及びEuAu$$_5$$における準一次元的な磁気的相互作用と伝導電子

松田 進弥*; 太田 譲二*; 仲井間 憲李*; 伊覇 航*; 郷地 順*; 上床 美也*; 中島 美帆*; 天児 寧*; 本多 史憲*; 青木 大*; 仲村 愛*; 竹内 徹也*; 芳賀 芳範 ; 播磨 尚朝*; 辺土 正人*; 仲間 隆男*; 大貫 惇睦*

Matsuda, Shinya*; Ota, Joji*; Nakaima, Kenri*; Iha, Wataru*; Gochi, Jun*; Uwatoko, Yoshiya*; Nakashima, Miho*; Amako, Yasushi*; Honda, Fuminori*; Aoki, Dai*; Nakamura, Ai*; Takeuchi, Tetsuya*; Haga, Yoshinori; Harima, Hisatomo*; Hedo, Masato*; Nakama, Takao*; Onuki, Yoshichika*

Single crystal samples of EuCu$$_5$$ and EuAu$$_5$$ have been successfully prepared. Using those samples, magnetic and electronic anisotropy has been clarified. Magnetic moment in the ferromagnetic state points to the hexagonal $$c$$-axis for both compounds. Electronic anisotropy was found in both electrical resistivity and Fermi surface topology. These anisotropic characteristics are accounted for by the unique hexagonal structure.

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パーセンタイル:45.37

分野:Materials Science, Multidisciplinary

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