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Giant Magnetic Band Gap in the Rashba-Split Surface State of Vanadium-Doped BiTeI : A Combined Photoemission and Ab Initio Study. / Klimovskikh, I. I.; Shikin, A. M.; Otrokov, M. M. et al.

In: Scientific Reports, Vol. 7, No. 1, 3353, 13.06.2017, p. 3353.

Research output: Contribution to journal › Article › peer-review

Harvard

Klimovskikh, II, Shikin, AM, Otrokov, MM, Ernst, A, Rusinov, IP, Tereshchenko, OE, Golyashov, VA, Sánchez-Barriga, J, Varykhalov, AY, Rader, O, Kokh, KA & Chulkov, EV 2017, 'Giant Magnetic Band Gap in the Rashba-Split Surface State of Vanadium-Doped BiTeI: A Combined Photoemission and Ab Initio Study', Scientific Reports, vol. 7, no. 1, 3353, pp. 3353. https://doi.org/10.1038/s41598-017-03507-0

APA

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. Y., Rader, O., Kokh, K. A., & Chulkov, E. V. (2017). Giant Magnetic Band Gap in the Rashba-Split Surface State of Vanadium-Doped BiTeI: A Combined Photoemission and Ab Initio Study. Scientific Reports, 7(1), 3353. [3353]. https://doi.org/10.1038/s41598-017-03507-0

Vancouver

Klimovskikh II, Shikin AM, Otrokov MM, Ernst A, Rusinov IP, Tereshchenko OE 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 Jun 13;7(1):3353. 3353. doi: 10.1038/s41598-017-03507-0

Author

Klimovskikh, I. I. ; Shikin, A. M. ; Otrokov, M. M. et al. / Giant Magnetic Band Gap in the Rashba-Split Surface State of Vanadium-Doped BiTeI : A Combined Photoemission and Ab Initio Study. In: Scientific Reports. 2017 ; Vol. 7, No. 1. pp. 3353.

BibTeX

@article{589e1e10af524208be0a3de14c064ee1,
title = "Giant Magnetic Band Gap in the Rashba-Split Surface State of Vanadium-Doped BiTeI: A Combined Photoemission and Ab Initio Study",
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.",
keywords = "APPROXIMATION, BULK, DIRAC-FERMION, ELECTRON-GAS, MAJORANA FERMIONS, SUPERCONDUCTOR",
author = "Klimovskikh, {I. I.} and Shikin, {A. M.} and Otrokov, {M. M.} and A. Ernst and Rusinov, {I. P.} and Tereshchenko, {O. E.} and Golyashov, {V. A.} and J. S{\'a}nchez-Barriga and Varykhalov, {A. Yu} and O. Rader and Kokh, {K. A.} and Chulkov, {E. V.}",
year = "2017",
month = jun,
day = "13",
doi = "10.1038/s41598-017-03507-0",
language = "English",
volume = "7",
pages = "3353",
journal = "Scientific Reports",
issn = "2045-2322",
publisher = "Nature Publishing Group",
number = "1",

}

RIS

TY - JOUR

T1 - Giant Magnetic Band Gap in the Rashba-Split Surface State of Vanadium-Doped BiTeI

T2 - A Combined Photoemission and Ab Initio Study

AU - Klimovskikh, I. I.

AU - Shikin, A. M.

AU - Otrokov, M. M.

AU - Ernst, A.

AU - Rusinov, I. P.

AU - Tereshchenko, O. E.

AU - Golyashov, V. A.

AU - Sánchez-Barriga, J.

AU - Varykhalov, A. Yu

AU - Rader, O.

AU - Kokh, K. A.

AU - Chulkov, E. V.

PY - 2017/6/13

Y1 - 2017/6/13

N2 - 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.

AB - 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.

KW - APPROXIMATION

KW - BULK

KW - DIRAC-FERMION

KW - ELECTRON-GAS

KW - MAJORANA FERMIONS

KW - SUPERCONDUCTOR

UR - http://www.scopus.com/inward/record.url?scp=85020924348&partnerID=8YFLogxK

U2 - 10.1038/s41598-017-03507-0

DO - 10.1038/s41598-017-03507-0

M3 - Article

C2 - 28611416

AN - SCOPUS:85020924348

VL - 7

SP - 3353

JO - Scientific Reports

JF - Scientific Reports

SN - 2045-2322

IS - 1

M1 - 3353

ER -

ID: 9866691