A New ZrCuSiAs-Type Superconductor: ThFeAsN
arXiv:1603.01501 · doi:10.1021/jacs.6b00236
Abstract
We report the first nitrogen-containing iron-pnictide superconductor ThFeAsN, which is synthesized by a solid-state reaction in an evacuated container. The compound crystallizes in a ZrCuSiAs-type structure with the space group P4/nmm and lattice parameters a=4.0367(1) Ã and c=8.5262(2) Ã at 300 K. The electrical resistivity and dc magnetic susceptibility measurements indicate superconductivity at 30 K for the nominally undoped ThFeAsN.
6 pages, 4 figures, 1 table