Heavy-fermion superconductivity in CeCoIn5 at 2.3K

Details Heavy-fermion superconductivity in CeCoIn5 at 2.3K Heavy-fermion superconductivity in CeCoIn5 at 2.3K

2001-03-07

arxiv.org/abs/cond-mat/0103168v1

J. Phys.: Condens. Matter 13 (2001) L337

Physics

Condensed Matter

Strongly Correlated Electrons

16 pages, 4 figures

Scientific paper

10.1088/0953-8984/13/17/103

We report the observation of heavy-fermion superconducitivity in CeCoIn5 at
Tc =2.3 K. When compared to the pressure-induced Tc of its cubic relative CeIn3
(Tc ~200 mK), the Tc of CeCoIn5 is remarkably high. We suggest that this
difference may arise from magnetically mediated superconductivity in the
layered crystal structure of CeCoIn5 .

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