Experimental determination of the Fermi surface of Sr3Ir4Sn13
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AbstractThe stannide family of materials A(3)T(4)Sn(13) (A = La, Sr, Ca; T = Ir, Rh) is interesting due to the interplay between a tunable lattice instability and phonon-mediated superconductivity with T-c similar to 5-7 K. In Sr3Ir4Sn13, a structural transition temperature T-star similar to 147 K associated with this instability has been reported, which is believed to result from a superlattice distortion of the high-temperature phase on cooling. Here we report an experimental study of the electronic structure of a member of this material family, Sr3Ir4Sn13, through measurements of quantum oscillations and comparison with density functional theory calculations. Our measurements reveal good agreement with theory using the lattice parameters consistent with a body-centered-cubic lattice of symmetry I (4) over bar 3d of the low-temperature phase. The study of the fermiology of Sr3Ir4Sn13 that we present here should help inform models of multiband superconductivity in the superconducting stannides.
All Author(s) ListChen XY, Goh SK, Tompsett DA, Yu WC, Klintberg L, Friedemann S, Tan HE, Yang JH, Chen B, Imai M, Yoshimura K, Gamza MB, Grosche FM, Sutherland ML
Journal namePhysical Review B
Volume Number93
Issue Number23
LanguagesEnglish-United Kingdom
Web of Science Subject CategoriesPhysics; Physics, Condensed Matter

Last updated on 2020-15-10 at 02:14