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Magnetic and superconducting properties of CeTX$$_3$$ (T:transition metal and X:Si and Ge) with non-centrosymmetric crystal structure

反転中心を持たないCeTX$$_3$$(T:遷移金属, X:Si,Ge)の磁性と超伝導

河井 友也*; 村中 大志*; M$'e$asson, M.-A.*; 下田 哲哉*; 土井 裕介*; 松田 達磨; 芳賀 芳範   ; Knebel, G.*; Lapertot, G.*; 青木 大*; Flouquet, J.*; 竹内 徹也*; 摂待 力生*; 大貫 惇睦

Kawai, Tomoya*; Muranaka, Hiroshi*; M$'e$asson, M.-A.*; Shimoda, Tetsuya*; Doi, Yusuke*; Matsuda, Tatsuma; Haga, Yoshinori; Knebel, G.*; Lapertot, G.*; Aoki, Dai*; Flouquet, J.*; Takeuchi, Tetsuya*; Settai, Rikio*; Onuki, Yoshichika

反転中心を持たないセリウム化合物CeTX$$_3$$の単結晶による物性研究を行った。電気抵抗及び磁化の測定に加え、圧力効果を調べたところ、CeCoGe$$_3$$では5.4GPa以上の圧力で反強磁性が消失し、超伝導が発現することを明らかにした。

Physical properties of cerium compounds CeTX$$_3$$ were studied on single crystals. Electrical resistivity, magnetization as well as their pressure dependence revealed that the antiferromagnetism of CeCoGe$$_3$$ is destroyed under hydrostatic pressure above 5.4 GPa and the superconductivity appears above this pressure.

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パーセンタイル:89.12

分野:Physics, Multidisciplinary

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