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小泉 尭嗣*; 本多 史憲*; 佐藤 芳樹*; Li, D.*; 青木 大*; 芳賀 芳範; 郷地 順*; 長崎 尚子*; 上床 美也*; 金子 良夫*; et al.
Journal of the Physical Society of Japan, 91(4), p.043704_1 - 043704_5, 2022/04
被引用回数:2 パーセンタイル:46.35(Physics, Multidisciplinary)A new ternary europium compound EuPtAl is reported. It orders antiferromagnetically at 12.4 K. Application of hydrostatic pressure varies the transition temperature and the compound becomes non-magnetic above the critical pressure 9 GPa. The pressure-temperature phase diagram is indicative of a possible valence crossover at the critical pressure.
Pospisil, J.; 郷地 順*; 芳賀 芳範; 本多 史憲*; 上床 美也*; 立岩 尚之; 神戸 振作; 長崎 尚子*; 本間 佳哉*; 山本 悦嗣
Journal of the Physical Society of Japan, 86(4), p.044709_1 - 044709_6, 2017/04
被引用回数:9 パーセンタイル:56.98(Physics, Multidisciplinary)The effect of hydrostatic pressure on the electronic state of the antiferromagnet UIrGe is reported. A series of resistivity measurements up to 15 GPa demonstrated the Neel temperature decreases with increasing pressure and vanishes around 12 GPa. The transition from antiferromagnetic to paramagnetic phase appears to be of first order. A moderate increase in the effective mass was detected in the vicinity of the critical pressure.