タイトル | Magnetic and electrical properties of Mn2Sb(1-x)Zx (Z = Ge, Sn) under high pressures and high magnetic fields |
著者(日) | 小山, 佳一; 島田, 大輔; 安達, 義也; 折橋, 広樹; 満永, 大輔; 廣井, 政彦; 三井, 好古; 木村, 尚次郎; 松林, 和幸; 上床, 美也 |
著者(英) | Koyama, Keiichi; Shimada, Daisuke; Adachi, Yoshiya; Orihashi, Hiroki; Mitsunaga, Daisuke; Hiroi, Masahiko; Mitsui, Yoshifuru; Kimura, Shojiro; Matsubayashi, Kazuyuki; Uwatoko, Yoshiya |
著者所属(日) | 鹿児島大学; 鹿児島大学; 山形大学; 鹿児島大学; 鹿児島大学; 鹿児島大学; 鹿児島大学; 東北大学金属材料研究所; 東京大学物性研究所; 東京大学物性研究所 |
著者所属(英) | Kagoshima University; Kagoshima University; Yamagata University; Kagoshima University; Kagoshima University; Kagoshima University; Kagoshima University; Institute for Materials Research, Tohoku University; The Institute for Solid State Physics, The University of Tokyo; The Institute for Solid State Physics, The University of Tokyo |
発行日 | 2015-12 |
発行機関など | Kagoshima University 鹿児島大学 |
刊行物名 | Reports of the Faculty of Science, Kagoshima University 鹿児島大学理学部紀要 |
号 | 48 |
開始ページ | 15 |
終了ページ | 21 |
刊行年月日 | 2015-12 |
言語 | eng |
抄録 | High pressures and high magnetic field effects on magnetic and electrical properties of polycrystalline Mn2Sb(0.92)Ge(0.08), Mn2Sb(0.92)Sn(0.08) and Mn2Sb(0.85)Sn(0.15) were investigated. These compounds showed a first-order magnetic transition between the ferrimagnetic (FRI) and antiferromagnetic (AFM) phases for 150-250 K temperature range in a zero magnetic field. The pressure dependence of the AFM/FRI transition temperature was estimated to be -5.1×10(exp -2) GPa(exp -1) for Mn2Sb(0.92)Ge(0.08). The electrical resistivity changed abruptly by 50% for Mn2Sb(0.92)Sn(0.08) and by 71% for Mn2Sb(0.85)Sn(0.15) at the transition temperature. We confirmed the negative magnetoresistance over 60% for the Sn-substituted compounds. |
内容記述 | Physical characteristics: Original contains illustrations 形態: 図版あり |
キーワード | Mn2Sb; first-order magnetic transition; pressure effect; negative magnetoresistance |
資料種別 | Departmental Bulletin Paper |
NASA分類 | Solid-State Physics |
NCID | AA12027655 |
SHI-NO | AA1640045000 |
URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/563698 |