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本間 佳哉*; 垣花 将司*; 徳永 陽; 與儀 護*; 中島 美帆*; 仲村 愛*; 清水 悠晴*; Li, D.*; Maurya, A.*; 佐藤 芳樹*; et al.
Journal of the Physical Society of Japan, 88(9), p.094702_1 - 094702_8, 2019/08
被引用回数:9 パーセンタイル:58.97(Physics, Multidisciplinary)We report the results of Eu Mssbauer spectroscopy on EuPtSi with a chiral structure belonging to the P23 space group at zero magnetic field. The paramagnetic single absorption forms a magnetic splitting profile directly below 4.0 K and the spectrum at 3.9 K consists of the sum of the paramagnetic single absorption and the magnetic splitting absorption, which indicates a first-order transition at 4.0 K. The temperature dependence of the effective hyperfine fields at the Eu nucleus follows a power law indicates a full moment of Eu ions.