Open Access
APL Materials, volume 8, issue 2, pages 21105
Signatures of temperature driven antiferromagnetic transition in the electronic structure of topological insulator MnBi2 Te4
Klimovskikh I I
1
,
SHIKIN A. M.
1
,
Schwier Eike. F.
2
,
Otrokov M M
3, 4
,
Kimura A.
5
,
Kumar S.
2
,
Filnov S O
1
,
Aliev Ziya S.
6, 7
,
Babanly M.
8, 9
,
CHULKOV E. V.
1, 10, 11, 12
2
Hiroshima Synchrotron Radiation Center, Hiroshima University 2 , Hiroshima, Japan
|
5
Department of Physical Sciences, Graduate School of Science, Hiroshima University 5 , Hiroshima, Japan
|
10
11
Departamento de Física de Materiales UPV/EHU 11 , 20080 Donostia-San Sebastián, Basque Country, Spain
|
Publication type: Journal Article
Publication date: 2020-02-01
General Materials Science
General Engineering
Abstract
In this work, we employed angle resolved photoemission spectroscopy (ARPES) to analyze the temperature dependent changes in the electronic structure of the first antiferromagnetic topological insulator MnBi2Te4 upon crossing the Néel temperature TN ≈ 25 K. We observed an exchange splitting of the bulk conduction band, which has a power law dependence on temperature (1−T/T0)2β with an onset temperature T0 well matching the measured bulk TN. We found a matching temperature evolution of the topological surface states integrated spectral weight in the vicinity of the Dirac point. Furthermore, we observed an additional quasi-2D state with Rashba-type splitting, which is also affected by the emerged magnetism and exhibits an opening of a gap, reminiscent of the effect of an out-of-plane magnetic field, below TN. All these findings point toward strong evidence of the interplay between emerged magnetism with bulk and topological surface states. The observed temperature-dependent effects in MnBi2Te4 may be used as an experimental fingerprint for the presence of magnetism and may guide the future analysis of ARPES spectra in magnetic topological insulators.
Citations by journals
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12 publications, 23.08%
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2 publications, 3.85%
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2 publications, 3.85%
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1 publication, 1.92%
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1 publication, 1.92%
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Nanoscale
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1 publication, 1.92%
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1 publication, 1.92%
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1 publication, 1.92%
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1 publication, 1.92%
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1 publication, 1.92%
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1 publication, 1.92%
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1 publication, 1.92%
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1 publication, 1.92%
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6
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10
12
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Citations by publishers
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2
4
6
8
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14
16
18
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American Physical Society (APS)
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18 publications, 34.62%
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Pleiades Publishing
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12 publications, 23.08%
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Springer Nature
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6 publications, 11.54%
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5 publications, 9.62%
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Elsevier
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Elsevier
4 publications, 7.69%
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
4 publications, 7.69%
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Royal Society of Chemistry (RSC)
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Royal Society of Chemistry (RSC)
1 publication, 1.92%
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Chinese Physical Society
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Chinese Physical Society
1 publication, 1.92%
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18
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Estyunin D. A. et al. Signatures of temperature driven antiferromagnetic transition in the electronic structure of topological insulator MnBi2Te4 // APL Materials. 2020. Vol. 8. No. 2. p. 21105.
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Estyunin D. A., Klimovskikh I. I., SHIKIN A. M., Schwier E. F., Otrokov M. M., Kimura A., Kumar S., Filnov S. O., Aliev Z. S., Babanly M., CHULKOV E. V. Signatures of temperature driven antiferromagnetic transition in the electronic structure of topological insulator MnBi2Te4 // APL Materials. 2020. Vol. 8. No. 2. p. 21105.
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TY - JOUR
DO - 10.1063/1.5142846
UR - https://doi.org/10.1063%2F1.5142846
TI - Signatures of temperature driven antiferromagnetic transition in the electronic structure of topological insulator MnBi2Te4
T2 - APL Materials
AU - Estyunin, Dmitry A.
AU - Klimovskikh, I I
AU - SHIKIN, A. M.
AU - Schwier, Eike. F.
AU - Otrokov, M M
AU - Kimura, A.
AU - Kumar, S.
AU - Filnov, S O
AU - Aliev, Ziya S.
AU - Babanly, M.
AU - CHULKOV, E. V.
PY - 2020
DA - 2020/02/01 00:00:00
PB - American Institute of Physics (AIP)
SP - 21105
IS - 2
VL - 8
SN - 2166-532X
ER -
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@article{2020_Estyunin,
author = {Dmitry A. Estyunin and I I Klimovskikh and A. M. SHIKIN and Eike. F. Schwier and M M Otrokov and A. Kimura and S. Kumar and S O Filnov and Ziya S. Aliev and M. Babanly and E. V. CHULKOV},
title = {Signatures of temperature driven antiferromagnetic transition in the electronic structure of topological insulator MnBi2Te4},
journal = {APL Materials},
year = {2020},
volume = {8},
publisher = {American Institute of Physics (AIP)},
month = {feb},
url = {https://doi.org/10.1063%2F1.5142846},
number = {2},
pages = {21105},
doi = {10.1063/1.5142846}
}
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Estyunin, Dmitry A., et al. “Signatures of temperature driven antiferromagnetic transition in the electronic structure of topological insulator MnBi2Te4.” APL Materials, vol. 8, no. 2, Feb. 2020, p. 21105. https://doi.org/10.1063%2F1.5142846.