One-dimensional Rashba states with unconventional spin texture in Bi chains
Abstract
Spin-polarized electrons confined in low-dimensional structures are of high interest for spintronics applications. Here, in this study, we investigate the electronic structure of an ordered array of Bi monomer and dimer chains on the Ag(110) surface. By means of spin-resolved photoemission spectroscopy, we find Rashba-Bychkov split bands crossing the Fermi level with one-dimensional constant energy contours. These bands are up-spin polarized for positive wave vectors and down-spin polarized for negative wave vectors, at variance with the Rashba-Bychkov model that predicts a pair of states with opposite spin in each half of the surface Brillouin zone. Density functional theory shows that spin-selective hybridization with the Ag bulk bands originates this unconventional spin texture.
- Authors:
-
[1];
[2];
[3];
[2];
[5];
[1];
[9];
- Istituto di Struttura della Materia (ISM-CNR), Trieste (Italy)
- Univ. of Calabria (Italy)
- Homi Bhabha National Institute (India); Institute of Physics (India)
- Council of Scientific and Industrial Research (CSIR) (India)
- Peter Grünberg Institute (PGI) (Germany)
- Istituto di Struttura della Materia (ISM-CNR), Trieste (Italy); Peter Grünberg Institute (PGI) (Germany)
- Peter Grünberg Institute (PGI) (Germany); University of Duisburg-Essen (Germany)
- Istituto Officina dei Materiali (CNR-IOM) (Italy)
- Istituto di Struttura della Materia (Italy)
- Brookhaven National Lab. (BNL), Upton, NY (United States). National Synchrotron Light Source
- Peter Grünberg Institute (PGI) (Germany); Institute for Advanced Simulation (IAS) (Germany)
- Publication Date:
- Research Org.:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); German Federal Ministry of Education and Research (BMBF)
- OSTI Identifier:
- 1890213
- Report Number(s):
- BNL-223519-2022-JAAM
Journal ID: ISSN 2469-9950; TRN: US2310063
- Grant/Contract Number:
- SC0012704; 05K19PGA
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review. B
- Additional Journal Information:
- Journal Volume: 106; Journal Issue: 4; Journal ID: ISSN 2469-9950
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 1-dimensional spin chains; interfaces; surfaces; angle-resolved photoemission spectroscopy; GGA; spin-resolved photoemission spectroscopy
Citation Formats
Sheverdyaeva, P. M., Pacilè, D., Topwal, D., Manju, U., Papagno, M., Feyer, V., Jugovac, M., Zamborlini, G., Cojocariu, I., Tusche, C., Tan, X. L., Hagiwara, K., Chen, Y. -J., Fujii, J., Moras, P., Ferrari, L., Vescovo, E., Bihlmayer, G., and Carbone, C. One-dimensional Rashba states with unconventional spin texture in Bi chains. United States: N. p., 2022.
Web. doi:10.1103/physrevb.106.045108.
Sheverdyaeva, P. M., Pacilè, D., Topwal, D., Manju, U., Papagno, M., Feyer, V., Jugovac, M., Zamborlini, G., Cojocariu, I., Tusche, C., Tan, X. L., Hagiwara, K., Chen, Y. -J., Fujii, J., Moras, P., Ferrari, L., Vescovo, E., Bihlmayer, G., & Carbone, C. One-dimensional Rashba states with unconventional spin texture in Bi chains. United States. https://doi.org/10.1103/physrevb.106.045108
Sheverdyaeva, P. M., Pacilè, D., Topwal, D., Manju, U., Papagno, M., Feyer, V., Jugovac, M., Zamborlini, G., Cojocariu, I., Tusche, C., Tan, X. L., Hagiwara, K., Chen, Y. -J., Fujii, J., Moras, P., Ferrari, L., Vescovo, E., Bihlmayer, G., and Carbone, C. Thu .
"One-dimensional Rashba states with unconventional spin texture in Bi chains". United States. https://doi.org/10.1103/physrevb.106.045108. https://www.osti.gov/servlets/purl/1890213.
@article{osti_1890213,
title = {One-dimensional Rashba states with unconventional spin texture in Bi chains},
author = {Sheverdyaeva, P. M. and Pacilè, D. and Topwal, D. and Manju, U. and Papagno, M. and Feyer, V. and Jugovac, M. and Zamborlini, G. and Cojocariu, I. and Tusche, C. and Tan, X. L. and Hagiwara, K. and Chen, Y. -J. and Fujii, J. and Moras, P. and Ferrari, L. and Vescovo, E. and Bihlmayer, G. and Carbone, C.},
abstractNote = {Spin-polarized electrons confined in low-dimensional structures are of high interest for spintronics applications. Here, in this study, we investigate the electronic structure of an ordered array of Bi monomer and dimer chains on the Ag(110) surface. By means of spin-resolved photoemission spectroscopy, we find Rashba-Bychkov split bands crossing the Fermi level with one-dimensional constant energy contours. These bands are up-spin polarized for positive wave vectors and down-spin polarized for negative wave vectors, at variance with the Rashba-Bychkov model that predicts a pair of states with opposite spin in each half of the surface Brillouin zone. Density functional theory shows that spin-selective hybridization with the Ag bulk bands originates this unconventional spin texture.},
doi = {10.1103/physrevb.106.045108},
journal = {Physical Review. B},
number = 4,
volume = 106,
place = {United States},
year = {Thu Jul 07 00:00:00 EDT 2022},
month = {Thu Jul 07 00:00:00 EDT 2022}
}
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