Coexistence of Superconductivity and Magnetism in the Tm-Based Reentrant Superconductor Tm5Rh6Sn18

被引：7

作者：

Kase, Naoki ^{[1
]}

Akimitsu, Jun ^{[1
]}

Ishii, Yasuyuki ^{[2
]}

Suzuki, Takao ^{[2
]}

Watanabe, Isao ^{[2
]}

Miyazaki, Masanori ^{[3
]}

Hiraishi, Masatoshi ^{[3
]}

Takeshita, Soshi ^{[4
]}

Kadono, Ryosuke ^{[3
,4
]}

机构：

[1] Aoyama Gakuin Univ, Dept Math & Phys, Kanagawa 2298558, Japan

[2] RIKEN, Nishina Ctr, Adv Meson Sci Lab, Wako, Saitama 3510198, Japan

[3] Grad Univ Adv Studies, Dept Mat Struct Sci, Tsukuba, Ibaraki 3050801, Japan

[4] High Energy Accelerator Res Org, Inst Mat Struct Sci, Tsukuba, Ibaraki 3050801, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2009年 / 78卷 / 07期

关键词：

Tm5Rh6Sn18; superconductivity; magnetism; muon spin relaxation;

D O I：

10.1143/JPSJ.78.073708

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report here the magnetic properties of the thulium-based reentrant superconductor Tm5Rh6Sn18 (T-c = 2.2 K), which were determined by magnetization and mu SR measurements. The spontaneous oscillation signal in the mu SR spectra gradually develops under zero magnetic field below 13 K. The development of a quasi-static local magnetic field is also observed even below T-c, indicating the coexistence of magnetism and superconductivity at zero magnetic field. From the analysis of longitudinal mu SR measurements, magnetic ordering can be considered to be not truly long range but superparamagnetic.

引用

页数：4

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