Experimental Determination of the Fermi Surface of Sr3Ir4Sn13

Bibliographic Details
Title: Experimental Determination of the Fermi Surface of Sr3Ir4Sn13
Authors: Chen, Xiaoye, Goh, Swee K., Tompsett, David A., Yu, Wing Chi, Klintberg, Lina, Friedemann, Sven, Tan, HongEn, Yang, Jinhu, Chen, Bin, Imai, M., Yoshimura, Kazuyoshi, Gamza, Monika B., Grosche, F. Malte, Sutherland, Michael L.
Source: Phys. Rev. B 93, 235121 (2016)
Publication Year: 2015
Collection: Condensed Matter
Subject Terms: Condensed Matter - Superconductivity
More Details: The stannide family of materials A3T4Sn13 (A = La,Sr,Ca, T = Ir,Rh) is interesting due to the interplay between a tunable lattice instability and phonon-mediated superconductivity with Tc ~ 5-7 K. In Sr3Ir4Sn13 a structural transition temperature T* ~ 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 the first 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-centred cubic lattice of symmetry I-43d of the low temperature phase. The study of the fermiology of Sr3Ir4Sn13 we present here should help inform models of multiband superconductivity in the superconducting stannides.
Comment: 5 pages, 3 figures
Document Type: Working Paper
DOI: 10.1103/PhysRevB.93.235121
Access URL: http://arxiv.org/abs/1509.02791
Accession Number: edsarx.1509.02791
Database: arXiv
More Details
DOI:10.1103/PhysRevB.93.235121