Open Access
Scientific Reports, volume 7, issue 1, publication number 3353
Giant Magnetic Band Gap in the Rashba-Split Surface State of Vanadium-Doped BiTeI: A Combined Photoemission and Ab Initio Study
SHIKIN A. M.
1
,
Otrokov M M
1, 2, 3
,
Ernst A.
4, 5
,
Rusinov I P
1, 2
,
Tereshchenko O E
1, 6, 7
,
Golyashov V A
1, 6
,
Varykhalov A Yu
8
,
RADER O.
8
,
Kokh K. A.
1, 7, 9
,
CHULKOV E. V.
1, 2, 3, 10
4
Max Planck Institute of Microstructure Physics, Halle, Germany
|
5
Institut für Theoretische Physik, Johannes Kepler Universität, Linz, Austria
|
8
Helmholtz-Zentrum Berlin für Materialien und Energie, Elektronenspeicherring BESSY II, Berlin, Germany
|
Publication type: Journal Article
Publication date: 2017-06-13
PubMed ID:
28611416
Multidisciplinary
Abstract
One of the most promising platforms for spintronics and topological quantum computation is the two-dimensional electron gas (2DEG) with strong spin-orbit interaction and out-of-plane ferromagnetism. In proximity to an s-wave superconductor, such 2DEG may be driven into a topologically non-trivial superconducting phase, predicted to support zero-energy Majorana fermion modes. Using angle-resolved photoemission spectroscopy and ab initio calculations, we study the 2DEG at the surface of the vanadium-doped polar semiconductor with a giant Rashba-type splitting, BiTeI. We show that the vanadium-induced magnetization in the 2DEG breaks time-reversal symmetry, lifting Kramers degeneracy of the Rashba-split surface state at the Brillouin zone center via formation of a huge gap of about 90 meV. As a result, the constant energy contour inside the gap consists of only one circle with spin-momentum locking. These findings reveal a great potential of the magnetically-doped semiconductors with a giant Rashba-type splitting for realization of novel states of matter.
Citations by journals
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1
2
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Physical Review B
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Physical Review B
2 publications, 15.38%
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APL Materials
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APL Materials
1 publication, 7.69%
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Chemistry of Materials
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Chemistry of Materials
1 publication, 7.69%
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Physical Review Letters
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1 publication, 7.69%
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Scientific Reports
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Scientific Reports
1 publication, 7.69%
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Nature
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Nature
1 publication, 7.69%
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Communications Physics
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Communications Physics
1 publication, 7.69%
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Journal of Physics and Chemistry of Solids
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Journal of Physics and Chemistry of Solids
1 publication, 7.69%
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Applied Physics Letters
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Applied Physics Letters
1 publication, 7.69%
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ACS applied materials & interfaces
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ACS applied materials & interfaces
1 publication, 7.69%
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CrystEngComm
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CrystEngComm
1 publication, 7.69%
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Physical Review Materials
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Physical Review Materials
1 publication, 7.69%
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1
2
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Citations by publishers
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1
2
3
4
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American Physical Society (APS)
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American Physical Society (APS)
4 publications, 30.77%
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Springer Nature
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Springer Nature
3 publications, 23.08%
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American Institute of Physics (AIP)
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American Institute of Physics (AIP)
2 publications, 15.38%
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American Chemical Society (ACS)
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American Chemical Society (ACS)
2 publications, 15.38%
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Elsevier
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Elsevier
1 publication, 7.69%
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Royal Society of Chemistry (RSC)
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Royal Society of Chemistry (RSC)
1 publication, 7.69%
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1
2
3
4
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- We do not take into account publications that without a DOI.
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Klimovskikh I. I. et al. Giant Magnetic Band Gap in the Rashba-Split Surface State of Vanadium-Doped BiTeI: A Combined Photoemission and Ab Initio Study // Scientific Reports. 2017. Vol. 7. No. 1. 3353
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Klimovskikh I. I., SHIKIN A. M., Otrokov M. M., Ernst A., Rusinov I. P., Tereshchenko O. E., Golyashov V. A., Sánchez-Barriga J., Varykhalov A. Yu., RADER O., Kokh K. A., CHULKOV E. V. Giant Magnetic Band Gap in the Rashba-Split Surface State of Vanadium-Doped BiTeI: A Combined Photoemission and Ab Initio Study // Scientific Reports. 2017. Vol. 7. No. 1. 3353
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TY - JOUR
DO - 10.1038/s41598-017-03507-0
UR - https://doi.org/10.1038%2Fs41598-017-03507-0
TI - Giant Magnetic Band Gap in the Rashba-Split Surface State of Vanadium-Doped BiTeI: A Combined Photoemission and Ab Initio Study
T2 - Scientific Reports
AU - Klimovskikh, Ilya I.
AU - SHIKIN, A. M.
AU - Otrokov, M M
AU - Tereshchenko, O E
AU - Golyashov, V A
AU - Sánchez-Barriga, J.
AU - Varykhalov, A Yu
AU - RADER, O.
AU - Kokh, K. A.
AU - Ernst, A.
AU - Rusinov, I P
AU - CHULKOV, E. V.
PY - 2017
DA - 2017/06/13 00:00:00
PB - Springer Nature
IS - 1
VL - 7
PMID - 28611416
SN - 2045-2322
ER -
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@article{2017_Klimovskikh,
author = {Ilya I. Klimovskikh and A. M. SHIKIN and M M Otrokov and O E Tereshchenko and V A Golyashov and J. Sánchez-Barriga and A Yu Varykhalov and O. RADER and K. A. Kokh and A. Ernst and I P Rusinov and E. V. CHULKOV},
title = {Giant Magnetic Band Gap in the Rashba-Split Surface State of Vanadium-Doped BiTeI: A Combined Photoemission and Ab Initio Study},
journal = {Scientific Reports},
year = {2017},
volume = {7},
publisher = {Springer Nature},
month = {jun},
url = {https://doi.org/10.1038%2Fs41598-017-03507-0},
number = {1},
doi = {10.1038/s41598-017-03507-0}
}