Ambient Pressure Superconductivity emerging in the Local Moment Antiferromagnetic Phase of CePdIn
arXiv:1403.7010 · doi:10.1038/srep15904
Abstract
We report on magnetization, specific heat and resistivity experiments on single crystals of the novel heavy Fermion compound CePdIn. At ambient pressure the compound exhibits two successive transitions at T = 1.63 K and T = 1.49 K into incommensurate and commensurate local moment antiferromagnetic states, respectively, before becoming superconducting below T = 0.42 K. The large values of dB/dT and B = 2.8 T imply that heavy quasiparticles form the Cooper pairs. Thus, CePdIn is the first ambient pressure heavy Fermion superconductor where 4f electrons are simultaneously responsible for magnetic order and superconductivity.
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