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Magnetic and Fermi surface properties of EuGa$$_4$$

EuGa$$_4$$の磁性とフェルミ面

仲村 愛*; 平仲 裕一*; 辺土 正人*; 仲間 隆男*; 三浦 泰直*; 堤 泰樹*; 森 晶宣*; 石田 一裕*; 三田村 勝哉*; 広瀬 雄介*; 杉山 清寛*; 本多 史憲*; 摂待 力生*; 竹内 徹也*; 萩原 政幸*; 松田 達磨; 山本 悦嗣; 芳賀 芳範; 松林 和幸*; 上床 美也*; 播磨 尚朝*; 大貫 惇睦

Nakamura, Ai*; Hiranaka, Yuichi*; Hedo, Masato*; Nakama, Takao*; Miura, Yasunao*; Tsutsumi, Hiroki*; Mori, Akinobu*; Ishida, Kazuhiro*; Mitamura, Katsuya*; Hirose, Yusuke*; Sugiyama, Kiyohiro*; Honda, Fuminori*; Settai, Rikio*; Takeuchi, Tetsuya*; Hagiwara, Masayuki*; Matsuda, Tatsuma; Yamamoto, Etsuji; Haga, Yoshinori; Matsubayashi, Kazuyuki*; Uwatoko, Yoshiya*; Harima, Hisatomo*; Onuki, Yoshichika

High quality single crystals of EuGa$$_4$$ have been grown from Ga flux. Electrical resistivity, magnetic susceptibility, high-field magnetization, specific heat, thermoelectric power and de Haas-van Alphen effect were investigated. Antiferromagnetic transition due to divalent Eu atoms were observed at 16.5 K. A charge density wave transition was also found under high pressure accompanied by a Fermi surface reconstruction. These observations were fully accounted for by the Fermi surface topology and corresponding band calculations.

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パーセンタイル:16.99

分野:Physics, Multidisciplinary

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