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論文

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

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*; et al.

Philosophical Magazine, 100(10), p.1244 - 1257, 2020/04

 被引用回数:2 パーセンタイル:45.37(Materials Science, Multidisciplinary)

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.

論文

Single crystal growth and unique electronic states of cubic chiral EuPtSi and related compounds

大貫 惇睦*; 垣花 将司*; 伊覇 航*; 仲井間 憲李*; 青木 大*; 仲村 愛*; 本多 史憲*; 中島 美帆*; 天児 寧*; 郷地 順*; et al.

JPS Conference Proceedings (Internet), 29, p.012001_1 - 012001_9, 2020/02

EuPtSi with the cubic chiral structure exhibits a skyrmion phase under magnetic field. We succeeded in growing high-quality single crystals by the Bridgman method. Fermi surface splitting reflecting the noncentrosymmetric structure was successfully observed experimentally.

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