Iron-platinum-arsenide superconductors Ca10(PtnAs8)(Fe2-xPtxAs2)5
Minoru Nohara, Satomi Kakiya, Kazutaka Kudo, Yoshihiro Oshiro, Shingo, Araki, Tatsuo C. Kobayashi, Kenta Oku, Eiji Nishibori, Hiroshi Sawa
TL;DR
This paper reviews the structure and properties of newly discovered iron-platinum-arsenide superconductors with transition temperatures up to 38 K, highlighting their layered crystal structure and key physical characteristics.
Contribution
It provides the first comprehensive overview of the crystal structures and physical properties of Ca10(PtnAs8)(Fe2-xPtxAs2)5 superconductors, including critical field and pressure effects.
Findings
Superconducting transition temperature up to 38 K.
Layered structure with Fe2As2 and PtnAs8 layers.
Data on upper critical field and pressure dependence.
Abstract
An overview of the crystal structures and physical properties of the recently discovered iron-platinum-arsenide superconductors, Ca10(PtnAs8)(Fe2-xPtxAs2)5 (n = 3 and 4), which have a superconducting transition temperature up to 38 K, is provided. The crystal structure consists of superconducting Fe2As2 layers alternating with platinum-arsenic layers, PtnAs8. The upper critical field Hc2, hydrostatic pressure dependence of superconducting transition temperature Tc, and normal-state magnetic susceptibility are reported.
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