Determining the role of inversion symmetry in single crystals of the noncentrosymmetric superconductor La7Ir3 by µSR.

DOI

In superconductors, the inversion symmetry of the crystallographic structure plays a central role in the formation of the Cooper pairs. When inversion symmetry is broken, there is the possibility of a mixing of singlet-triplet pairing, leading to unconventional superconducting properties.La7Ir3 is a noncentrosymmetric (NCS) superconductor where time-reversal symmetry (TRS) breaking below the superconducting Tc is observed in polycrystalline samples. We have successfully grown the first single crystals of La7Ir3. We propose to use muons to study the anisotropy of the superconducting properties of La7Ir3, investigate the influence of magnetic fluctuations, and search for TRS breaking. To the best of our knowledge, this would be the first time TRS breaking is studied in a single crystal of a NCS superconductor where TRS breaking is observed in samples in the polycrystalline form.

Identifier
DOI https://doi.org/10.5286/ISIS.E.90682248
Metadata Access https://icatisis.esc.rl.ac.uk/oaipmh/request?verb=GetRecord&metadataPrefix=oai_datacite&identifier=oai:icatisis.esc.rl.ac.uk:inv/90682248
Provenance
Creator Professor Martin Lees; Professor Don Paul; Dr Daniel Mayoh; Dr Aidy Hillier; Professor Geetha Balakrishnan; Professor Toshiro Takabatake
Publisher ISIS Neutron and Muon Source
Publication Year 2021
Rights CC-BY Attribution 4.0 International; https://creativecommons.org/licenses/by/4.0/
OpenAccess true
Contact isisdata(at)stfc.ac.uk
Representation
Resource Type Dataset
Discipline Natural Sciences; Physics
Temporal Coverage Begin 2018-06-12T08:30:00Z
Temporal Coverage End 2018-09-21T13:43:46Z