On the competition between superconductivity and magnetism in CeCu2Si2

被引：26
|
作者：
Feyerherm, R. [1 ]
Amato, A. [1 ]
Geibel, C. [2 ]
Gygax, F. N. [1 ]
Hellmann, P. [2 ]
Heffner, R. H. [3 ]
MacLaughlin, D. E. [4 ]
Mueller-Reisener, R. [2 ]
Nieuwenhuys, G. J. [5 ]
Schenck, A. [1 ]
Steglich, F. [2 ]
机构：
[1] ETH Zurich, Inst Particle Phys, CH-5232 Villigen, Switzerland
[2] TH Darmstadt, Inst Festkorperphys, D-64289 Darmstadt, Germany
[3] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
[4] Univ Calif Riverside, Riverside, CA 92521 USA
[5] Leiden Univ, Kamerlingh Onnes Lab, NL-2300 RA Leiden, Netherlands
来源：
PHYSICA B-CONDENSED MATTER | 1995年 / 206卷
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/0921-4526(94)00530-9
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Muon spin relaxation measurements in zero magnetic field on several polycrystalline samples provide evidence that superconductivity and magnetic order do not coexist on a microscopic scale but develop inhomogeneously in Ce1+xCu2+ySi2. The distribution of magnetic and superconducting domains depends on the temperature and sensitively on variations of the stoichiometry. Superconductivity sets in first in the paramagnetic domains and, on further cooling, reduces the magnetically ordered volume fraction. However, in all samples down to T = 60 mK considerable portions remain magnetic.
引用
收藏
页码：596 / 599
页数：4
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