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Title: Surface states and Rashba-type spin polarization in antiferromagnetic MnBi 2 Te 4 (0001)

Abstract

The layered van der Waals antiferromagnet MnBi 2Te 4 has been predicted to combine the band ordering of archetypical topological insulators such as Bi 2Te 3 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 MnBi 2Te 4(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.

Authors:
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Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22), Scientific User Facilities Division (SC-22.3 )
OSTI Identifier:
1581079
DOE Contract Number:  
AC02-05CH11231
Resource Type:
Journal Article
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 100; Journal Issue: 12; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English

Citation Formats

Vidal, R. C., Bentmann, H., Peixoto, T. R. F., Zeugner, A., Moser, S., Min, C. -H., Schatz, S., Kißner, K., Ünzelmann, M., Fornari, C. I., Vasili, H. B., Valvidares, M., Sakamoto, K., Mondal, D., Fujii, J., Vobornik, I., Jung, S., Cacho, C., Kim, T. K., Koch, R. J., Jozwiak, C., Bostwick, A., Denlinger, J. D., Rotenberg, E., Buck, J., Hoesch, M., Diekmann, F., Rohlf, S., Kalläne, M., Rossnagel, K., Otrokov, M. M., Chulkov, E. V., Ruck, M., Isaeva, A., and Reinert, F. Surface states and Rashba-type spin polarization in antiferromagnetic MnBi2Te4 (0001). United States: N. p., 2019. Web. doi:10.1103/physrevb.100.121104.
Vidal, R. C., Bentmann, H., Peixoto, T. R. F., Zeugner, A., Moser, S., Min, C. -H., Schatz, S., Kißner, K., Ünzelmann, M., Fornari, C. I., Vasili, H. B., Valvidares, M., Sakamoto, K., Mondal, D., Fujii, J., Vobornik, I., Jung, S., Cacho, C., Kim, T. K., Koch, R. J., Jozwiak, C., Bostwick, A., Denlinger, J. D., Rotenberg, E., Buck, J., Hoesch, M., Diekmann, F., Rohlf, S., Kalläne, M., Rossnagel, K., Otrokov, M. M., Chulkov, E. V., Ruck, M., Isaeva, A., & Reinert, F. Surface states and Rashba-type spin polarization in antiferromagnetic MnBi2Te4 (0001). United States. doi:10.1103/physrevb.100.121104.
Vidal, R. C., Bentmann, H., Peixoto, T. R. F., Zeugner, A., Moser, S., Min, C. -H., Schatz, S., Kißner, K., Ünzelmann, M., Fornari, C. I., Vasili, H. B., Valvidares, M., Sakamoto, K., Mondal, D., Fujii, J., Vobornik, I., Jung, S., Cacho, C., Kim, T. K., Koch, R. J., Jozwiak, C., Bostwick, A., Denlinger, J. D., Rotenberg, E., Buck, J., Hoesch, M., Diekmann, F., Rohlf, S., Kalläne, M., Rossnagel, K., Otrokov, M. M., Chulkov, E. V., Ruck, M., Isaeva, A., and Reinert, F. Sun . "Surface states and Rashba-type spin polarization in antiferromagnetic MnBi2Te4 (0001)". United States. doi:10.1103/physrevb.100.121104.
@article{osti_1581079,
title = {Surface states and Rashba-type spin polarization in antiferromagnetic MnBi2Te4 (0001)},
author = {Vidal, R. C. and Bentmann, H. and Peixoto, T. R. F. and Zeugner, A. and Moser, S. and Min, C. -H. and Schatz, S. and Kißner, K. and Ünzelmann, M. and Fornari, C. I. and Vasili, H. B. and Valvidares, M. and Sakamoto, K. and Mondal, D. and Fujii, J. and Vobornik, I. and Jung, S. and Cacho, C. and Kim, T. K. and Koch, R. J. and Jozwiak, C. and Bostwick, A. and Denlinger, J. D. and Rotenberg, E. and Buck, J. and Hoesch, M. and Diekmann, F. and Rohlf, S. and Kalläne, M. and Rossnagel, K. and Otrokov, M. M. and Chulkov, E. V. and Ruck, M. and Isaeva, A. and Reinert, F.},
abstractNote = {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.},
doi = {10.1103/physrevb.100.121104},
journal = {Physical Review B},
issn = {2469-9950},
number = 12,
volume = 100,
place = {United States},
year = {2019},
month = {9}
}

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