Pressure-induced superconductivity in UIr without inversion symmetry

被引：11

作者：

Akazawa, T ^{[1
]}

Hidaka, H

Kotegawa, H

Kobayashi, TC

Fujiwara, T

Yamamoto, E

Haga, Y

Settai, R

Onuki, Y

机构：

[1] Kobe Univ, Fac Maritime Sci, Kobe, Hyogo 6580022, Japan

[2] Grad Sch Nat Sci & Technol, Okayama 7008530, Japan

[3] Okayama Univ, Fac Sci, Okayama 7008530, Japan

[4] Osaka Univ, KUOKUGEN, Osaka 5600043, Japan

[5] JAERI, Adv Sci Res Ctr, Ibaraki 3191195, Japan

[6] Osaka Univ, Grad Sch Sci, Osaka 5600043, Japan

来源：

PHYSICA B-CONDENSED MATTER | 2005年 / 359卷

关键词：

UIr; non-inversion symmetry; ferromagnet; superconductivity; quantum critical point;

D O I：

10.1016/j.physb.2005.01.335

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Pressure-induced superconductivity is found in UIr without inversion symmetry. The pressure-temperature phase diagram has been investigated by means of electrical resistivity and magnetization. The phase diagram consists of two ferromagnetic phases. The ferromagnetic phase FM1 with T-Cl similar to 46 K at ambient pressure disappears around 1.7 GPa. With further increase of pressure, the phase (FM2) with small ferromagnetic moment appears in the pressure range of P-Cl < P < 2.6 GPa. The superconducting phase exists near the disappearance point of the FM2 phase, indicating that the superconductivity is associated with the ferromagnetic critical fluctuation around P-C2. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：1138 / 1140

页数：3

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