Magnetic interactions in ferromagnetic topological insulator multilayer structures

DOI

Topological insulators are one of the most important recent discoveries in condensed matter physics. The topological surface state can become gapped when ferromagnetic order is introduced, which gives rise to interesting quantum phenomena for example the quantum anomalous Hall effect. However, heterostructures of different materials are needed that will allow for a higher degree of control and tunability of the magnetic structure at the TI interface. Here we propose an investigation of multilayers based on Cr- and Dy-doped TI, combining the high Curie temperature of the former with the high moment of the latter, and to study interplay of crystalline anisotropy, interlayer exchange coupling and Zeeman energy. This knowlege is an essential stepping stone towards application of the topological surface state in dissipationless spin-electronics or spin-orbitronics.

Identifier
DOI https://doi.org/10.5286/ISIS.E.90586775
Metadata Access https://icatisis.esc.rl.ac.uk/oaipmh/request?verb=GetRecord&metadataPrefix=oai_datacite&identifier=oai:icatisis.esc.rl.ac.uk:inv/90586775
Provenance
Creator Dr Nina-Juliane Steinke; Mr Liam Duffy; Professor Sean Langridge; Professor Thorsten Hesjedal; Professor Gerrit van der Laan
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 2018-03-09T08:00:00Z
Temporal Coverage End 2018-03-16T07:45:05Z