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Magnetic field driven complex phase diagram of antiferromagnetic heavy-fermion superconductor Ce3PtIn11.


ABSTRACT: We present the results of our comprehensive investigation on the antiferromagnetic heavy-fermion superconductor Ce3PtIn11 carried out by means of electrical transport, heat capacity and ac magnetic susceptibility measurements, performed on single-crystalline specimens down to 50?mK in external magnetic fields up to 9 T. Our experimental results elucidate a complex magnetic field - temperature phase diagram which contains both first- and second-order field-induced magnetic transitions and highlights the emergence of field stabilized phases. Remarkably, a prominent metamagnetic transition was found to occur at low temperatures and strong magnetic fields. In turn, the results obtained in the superconducting phase of Ce3PtIn11 corroborate an unconventional nature of Cooper pairs formed by heavy quasiparticles. The compound is an almost unique example of a heavy fermion system in which superconductivity may coexist microscopically with magnetically ordered state.

SUBMITTER: Das D 

PROVIDER: S-EPMC6232155 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature

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Magnetic field driven complex phase diagram of antiferromagnetic heavy-fermion superconductor Ce<sub>3</sub>PtIn<sub>11</sub>.

Das Debarchan D   Gnida Daniel D   Bochenek Łukasz Ł   Rudenko Andriy A   Daszkiewicz Marek M   Kaczorowski Dariusz D  

Scientific reports 20181112 1


We present the results of our comprehensive investigation on the antiferromagnetic heavy-fermion superconductor Ce<sub>3</sub>PtIn<sub>11</sub> carried out by means of electrical transport, heat capacity and ac magnetic susceptibility measurements, performed on single-crystalline specimens down to 50 mK in external magnetic fields up to 9 T. Our experimental results elucidate a complex magnetic field - temperature phase diagram which contains both first- and second-order field-induced magnetic t  ...[more]

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