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Cubic Rashba Effect in the Surface Spin Structure of Rare-Earth Ternary Materials. / Usachov, D. Yu; Nechaev, I. A.; Poelchen, G.; Güttler, M.; Krasovskii, E. E.; Schulz, S.; Generalov, A.; Kliemt, K.; Kraiker, A.; Krellner, C.; Kummer, K.; Danzenbächer, S.; Laubschat, C.; Weber, A. P.; Sánchez-Barriga, J.; Chulkov, E. V.; Santander-Syro, A. F.; Imai, T.; Miyamoto, K.; Okuda, T.; Vyalikh, D. V.

In: Physical Review Letters, Vol. 124, No. 23, 237202, 12.06.2020.

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

Harvard

Usachov, DY, Nechaev, IA, Poelchen, G, Güttler, M, Krasovskii, EE, Schulz, S, Generalov, A, Kliemt, K, Kraiker, A, Krellner, C, Kummer, K, Danzenbächer, S, Laubschat, C, Weber, AP, Sánchez-Barriga, J, Chulkov, EV, Santander-Syro, AF, Imai, T, Miyamoto, K, Okuda, T & Vyalikh, DV 2020, 'Cubic Rashba Effect in the Surface Spin Structure of Rare-Earth Ternary Materials', Physical Review Letters, vol. 124, no. 23, 237202. https://doi.org/10.1103/PhysRevLett.124.237202

APA

Usachov, D. Y., Nechaev, I. A., Poelchen, G., Güttler, M., Krasovskii, E. E., Schulz, S., Generalov, A., Kliemt, K., Kraiker, A., Krellner, C., Kummer, K., Danzenbächer, S., Laubschat, C., Weber, A. P., Sánchez-Barriga, J., Chulkov, E. V., Santander-Syro, A. F., Imai, T., Miyamoto, K., ... Vyalikh, D. V. (2020). Cubic Rashba Effect in the Surface Spin Structure of Rare-Earth Ternary Materials. Physical Review Letters, 124(23), [237202]. https://doi.org/10.1103/PhysRevLett.124.237202

Vancouver

Usachov DY, Nechaev IA, Poelchen G, Güttler M, Krasovskii EE, Schulz S et al. Cubic Rashba Effect in the Surface Spin Structure of Rare-Earth Ternary Materials. Physical Review Letters. 2020 Jun 12;124(23). 237202. https://doi.org/10.1103/PhysRevLett.124.237202

Author

Usachov, D. Yu ; Nechaev, I. A. ; Poelchen, G. ; Güttler, M. ; Krasovskii, E. E. ; Schulz, S. ; Generalov, A. ; Kliemt, K. ; Kraiker, A. ; Krellner, C. ; Kummer, K. ; Danzenbächer, S. ; Laubschat, C. ; Weber, A. P. ; Sánchez-Barriga, J. ; Chulkov, E. V. ; Santander-Syro, A. F. ; Imai, T. ; Miyamoto, K. ; Okuda, T. ; Vyalikh, D. V. / Cubic Rashba Effect in the Surface Spin Structure of Rare-Earth Ternary Materials. In: Physical Review Letters. 2020 ; Vol. 124, No. 23.

BibTeX

@article{b83a43a6bc814caca950d56172b5295a,
title = "Cubic Rashba Effect in the Surface Spin Structure of Rare-Earth Ternary Materials",
abstract = "Spin-orbit interaction and structure inversion asymmetry in combination with magnetic ordering is a promising route to novel materials with highly mobile spin-polarized carriers at the surface. Spin-resolved measurements of the photoemission current from the Si-terminated surface of the antiferromagnet TbRh2Si2 and their analysis within an ab initio one-step theory unveil an unusual triple winding of the electron spin along the fourfold-symmetric constant energy contours of the surface states. A two-band k·p model is presented that yields the triple winding as a cubic Rashba effect. The curious in-plane spin-momentum locking is remarkably robust and remains intact across a paramagnetic-antiferromagnetic transition in spite of spin-orbit interaction on Rh atoms being considerably weaker than the out-of-plane exchange field due to the Tb 4f moments. ",
author = "Usachov, {D. Yu} and Nechaev, {I. A.} and G. Poelchen and M. G{\"u}ttler and Krasovskii, {E. E.} and S. Schulz and A. Generalov and K. Kliemt and A. Kraiker and C. Krellner and K. Kummer and S. Danzenb{\"a}cher and C. Laubschat and Weber, {A. P.} and J. S{\'a}nchez-Barriga and Chulkov, {E. V.} and Santander-Syro, {A. F.} and T. Imai and K. Miyamoto and T. Okuda and Vyalikh, {D. V.}",
note = "Funding Information: This work was supported by the German Research Foundation (Grants No. KR-3831/5-1, No. LA655/20-1, GRK1621, Fermi-NESt No. ANR-16-CE92-0018, and SFB1143, project-id 247310070) and the Spanish Ministry of Science, Innovation, and Universities (Grant Nos. FIS2016-76617-P and MAT-2017-88374-P). We also acknowledge funding from the Department of Education of the Basque government (Grant No. IT1164-19), St. Petersburg State University (Project ID 51126254), and the Russian Foundation for Basic Research (Grant No. 20-32-70127). The SR-ARPES experiments at HiSOR were performed with the approval of the Proposal Assessing Committee of the Hiroshima Synchrotron Radiation Center (Proposal No. 18BG023). We also acknowledge the Impuls-und Vernetzungsfonds der Helmholtz Gemeinschaft (Grant No. HRSF-0067). Publisher Copyright: {\textcopyright} 2020 American Physical Society. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.",
year = "2020",
month = jun,
day = "12",
doi = "10.1103/PhysRevLett.124.237202",
language = "English",
volume = "124",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "23",

}

RIS

TY - JOUR

T1 - Cubic Rashba Effect in the Surface Spin Structure of Rare-Earth Ternary Materials

AU - Usachov, D. Yu

AU - Nechaev, I. A.

AU - Poelchen, G.

AU - Güttler, M.

AU - Krasovskii, E. E.

AU - Schulz, S.

AU - Generalov, A.

AU - Kliemt, K.

AU - Kraiker, A.

AU - Krellner, C.

AU - Kummer, K.

AU - Danzenbächer, S.

AU - Laubschat, C.

AU - Weber, A. P.

AU - Sánchez-Barriga, J.

AU - Chulkov, E. V.

AU - Santander-Syro, A. F.

AU - Imai, T.

AU - Miyamoto, K.

AU - Okuda, T.

AU - Vyalikh, D. V.

N1 - Funding Information: This work was supported by the German Research Foundation (Grants No. KR-3831/5-1, No. LA655/20-1, GRK1621, Fermi-NESt No. ANR-16-CE92-0018, and SFB1143, project-id 247310070) and the Spanish Ministry of Science, Innovation, and Universities (Grant Nos. FIS2016-76617-P and MAT-2017-88374-P). We also acknowledge funding from the Department of Education of the Basque government (Grant No. IT1164-19), St. Petersburg State University (Project ID 51126254), and the Russian Foundation for Basic Research (Grant No. 20-32-70127). The SR-ARPES experiments at HiSOR were performed with the approval of the Proposal Assessing Committee of the Hiroshima Synchrotron Radiation Center (Proposal No. 18BG023). We also acknowledge the Impuls-und Vernetzungsfonds der Helmholtz Gemeinschaft (Grant No. HRSF-0067). Publisher Copyright: © 2020 American Physical Society. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.

PY - 2020/6/12

Y1 - 2020/6/12

N2 - Spin-orbit interaction and structure inversion asymmetry in combination with magnetic ordering is a promising route to novel materials with highly mobile spin-polarized carriers at the surface. Spin-resolved measurements of the photoemission current from the Si-terminated surface of the antiferromagnet TbRh2Si2 and their analysis within an ab initio one-step theory unveil an unusual triple winding of the electron spin along the fourfold-symmetric constant energy contours of the surface states. A two-band k·p model is presented that yields the triple winding as a cubic Rashba effect. The curious in-plane spin-momentum locking is remarkably robust and remains intact across a paramagnetic-antiferromagnetic transition in spite of spin-orbit interaction on Rh atoms being considerably weaker than the out-of-plane exchange field due to the Tb 4f moments.

AB - Spin-orbit interaction and structure inversion asymmetry in combination with magnetic ordering is a promising route to novel materials with highly mobile spin-polarized carriers at the surface. Spin-resolved measurements of the photoemission current from the Si-terminated surface of the antiferromagnet TbRh2Si2 and their analysis within an ab initio one-step theory unveil an unusual triple winding of the electron spin along the fourfold-symmetric constant energy contours of the surface states. A two-band k·p model is presented that yields the triple winding as a cubic Rashba effect. The curious in-plane spin-momentum locking is remarkably robust and remains intact across a paramagnetic-antiferromagnetic transition in spite of spin-orbit interaction on Rh atoms being considerably weaker than the out-of-plane exchange field due to the Tb 4f moments.

UR - http://www.scopus.com/inward/record.url?scp=85087182031&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.124.237202

DO - 10.1103/PhysRevLett.124.237202

M3 - Article

C2 - 32603174

AN - SCOPUS:85087182031

VL - 124

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 23

M1 - 237202

ER -

ID: 71017697