Specific heat under pressure on selected iron-pnictide superconductors

ORAL

Abstract

The phase diagrams of iron-pnictide superconductors manifest a complex interplay of superconductivity, magnetism and structure which can typically be tuned by external tuning parameters, such as pressure. In this contribution, we report a study of the specific heat under pressure on selected iron-pnictide superconductors, such as FeSe, as well as pure and Co-doped BaFe2As2. We will compare pressure-dependent phase diagrams, as well as provide further characterization of the superconducting properties. The latter will, in particular, include a discussion of the evolution of the specific heat jump sizes at the superconducting transition with pressure.

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Presenters

  • Elena Gati

    Ames Laboratory/Iowa State University, Institute of Physics, Goethe-University Frankfurt

Authors

  • Elena Gati

    Ames Laboratory/Iowa State University, Institute of Physics, Goethe-University Frankfurt

  • Gil Drachuk

    Ames Laboratory/Iowa State University

  • Li Xiang

    Department of Physics, Iowa State University, Ames Laboratory, Ames, Iowa 50011, USA, Ames Laboratory/Iowa State University, Physics, Iowa State University/Ames Laboratory, Iowa State University and Ames Laboratory

  • Anna Boehmer

    Ames Laboratory/Iowa State University, Ames Laboratory and Dept. of Phys. and Astro.,, Iowa State Univ., Institut für Festkörperphysik, Karlsruhe Institute of Technology

  • Sergey Budko

    Iowa State University, Department of Physics, Iowa State University, Ames Laboratory, Ames, Iowa 50011, USA, Ames Laboratory, Iowa State University, Ames Laboratory/Iowa State University, Ames Laboratory and Dept. of Phys. and Astro.,, Iowa State Univ., Ames Laboratory and Department of Physics & Astronomy, Iowa State University, Ames, IA 50010, USA, Ames Lab & Dept of Physics and Astronomy, Iowa State University, Physics, Iowa State University/Ames Laboratory, Iowa State University and Ames Laboratory

  • Paul Canfield

    Ames Laboratory and Dept. of Physics, Iowa State University, Ames Laboratory, U.S. DOE, Iowa State University, Ames, Iowa 50011, USA., Ames Laboratory, Iowa State University, Department of Physics, Iowa State University, Ames Laboratory, Ames, Iowa 50011, USA, Ames Laboratory, Iowa State University, Ames Laboratory/Iowa State University, Iowa State University and Ames Laboratory, Ames Laboratory and Iowa State University, Ames, IA, USA, Ames Laboratory and Dept. of Phys. and Astro.,, Iowa State Univ., Ames Laboratory and Department of Physics & Astronomy, Iowa State University, Ames, IA 50010, USA, Ames Lab & Dept of Physics and Astronomy, Iowa State University, Department of Physics & Astronomy, Iowa State University, Department of physics and astronomy, Iowa State University/Ames Laboratory, Physics, Iowa State University/Ames Laboratory, Ames Laboratory & Iowa State University, Physics, Iowa State University