Surface states and Rashba-type spin polarization in antiferromagnetic MnBi2Te4 (0001)

The layered van der Waals antiferromagnet MnBi2Te4 has been predicted to combine the band ordering of archetypical topological insulators such as Bi2Te3 with the magnetism of Mn, making this material a viable candidate for the realization of various magnetic topological states. We have systematicall...

Full description

Bibliographic Details
Authors: Vidal, R. C., Bentmann, Hendrik, Peixoto, T. R. F., Zeugner, Alexander, Moser, S., Min, C. H., Schatz, S., Kißner, K., Ünzelmann, M., Fornari, C. I., Vasili, Hari Babu, Valvidares, Manuel, Sakamoto, Kazushi, Fujii, Jun, Vobornik, Ivana, Jung, S., Cacho, Cephise, Kim, T. K., Koch, Roland J., Jozwiak, C, Bostwick, A., Denlinger, J. D., Rotenberg, E., Buck, J., Hoesch, Moritz, Diekmann, F., Rohlf, Sebastian, Kalläne, M., Rossnagel, K., Otrokov, Mikhail M., Chulkov, Eugene V., Ruck, Michael, Isaeva, Anna, Reinert, Friedrich
Format: article
Status:Versión aceptada para publicación
Publication Date:2019
Country:España
Institution:Consejo Superior de Investigaciones Científicas (CSIC)
Repository:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/207518
Online Access:http://hdl.handle.net/10261/207518
Access Level:Open access
Keyword:ddc:530
Description
Summary:The layered van der Waals antiferromagnet MnBi2Te4 has been predicted to combine the band ordering of archetypical topological insulators such as Bi2Te3 with the magnetism of Mn, making this material a viable candidate for the realization of various magnetic topological states. We have systematically investigated the surface electronic structure of MnBi2Te4(0001) single crystals by use of spin- and angle-resolved photoelectron spectroscopy experiments. In line with theoretical predictions, the results reveal a surface state in the bulk band gap and they provide evidence for the influence of exchange interaction and spin-orbit coupling on the surface electronic structure.