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  • Title: Characterization of the heavy metal pyrochlore lattice superconductor CaIr2.
    Author: Haldolaarachchige N, Gibson Q, Schoop LM, Luo H, Cava RJ.
    Journal: J Phys Condens Matter; 2015 May 13; 27(18):185701. PubMed ID: 25880601.
    Abstract:
    We report the electronic properties of the cubic laves phase superconductor CaIr2(Tc = 5.8 K), in which the Ir atoms have a pyrochlore lattice. The estimated superconducting parameters obtained from magnetization and specific heat measurements indicate that CaIr2 is a weakly coupled BCS superconductor. Electronic band structure calculations show that the Ir d-states are dominant at the Fermi level, creating a complex Fermi surface that is impacted substantially by spin-orbit coupling.
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