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Heavy fermion superconductivity of a new transuranium compound NpPd5Al2

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If you have a question about this talk, please contact Michael Sutherland .

Several unconventional superconductors with non-s wave symmetry are known in the rare earth and uranium compounds with f-electrons. However, no superconductivity has been reported in the transuranium neptunium compounds in the past. Here we report the first observation of the superconductivity in the new heavy fermion compound NpPd5Al2. Novel superconducting phenomena, such as high superconducting transition temperature (Tc=5K), strong paramagnetic effect, large and highly anisotropic values of the upper critical field Hc2, and first-order phase transition at Hc2 were found. The d-wave superconductivity with point nodes is most likely realized in NpPd5Al2.

This talk is part of the Quantum Matter Seminar series.

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