Spin-Polarized Yu-Shiba-Rusinov States in an Iron-Based Superconductor
Abstract
Yu-Shiba-Rusinov (YSR) bound states appear when a magnetic atom interacts with a superconductor. In this study, we report on spin-resolved spectroscopic studies of YSR states related with Fe atoms deposited on the surface of the topological superconductor using a spin-polarized scanning tunneling microscope. We clearly identify the spin signature of pairs of YSR bound states at finite energies within the superconducting gap having opposite spin polarization as theoretically predicted. In addition, we also observe zero-energy bound states for some of the adsorbed Fe atoms. In this case, a spin signature is found to be absent indicating the absence of Majorana bound states associated with Fe adatoms on .
- Authors:
-
- Univ. of Hamburg (Germany)
- Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Dept.
- Publication Date:
- Research Org.:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1771132
- Report Number(s):
- BNL-221139-2021-JAAM
Journal ID: ISSN 0031-9007; TRN: US2206885
- Grant/Contract Number:
- SC0012704
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 126; Journal Issue: 7; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Yu-Shiba-Rusinov states; Majorana bound states; Fe-based superconductor; spinpolarized STM
Citation Formats
Wang, Dongfei, Wiebe, Jens, Zhong, Ruidan, Gu, Genda, and Wiesendanger, Roland. Spin-Polarized Yu-Shiba-Rusinov States in an Iron-Based Superconductor. United States: N. p., 2021.
Web. doi:10.1103/physrevlett.126.076802.
Wang, Dongfei, Wiebe, Jens, Zhong, Ruidan, Gu, Genda, & Wiesendanger, Roland. Spin-Polarized Yu-Shiba-Rusinov States in an Iron-Based Superconductor. United States. https://doi.org/10.1103/physrevlett.126.076802
Wang, Dongfei, Wiebe, Jens, Zhong, Ruidan, Gu, Genda, and Wiesendanger, Roland. Thu .
"Spin-Polarized Yu-Shiba-Rusinov States in an Iron-Based Superconductor". United States. https://doi.org/10.1103/physrevlett.126.076802. https://www.osti.gov/servlets/purl/1771132.
@article{osti_1771132,
title = {Spin-Polarized Yu-Shiba-Rusinov States in an Iron-Based Superconductor},
author = {Wang, Dongfei and Wiebe, Jens and Zhong, Ruidan and Gu, Genda and Wiesendanger, Roland},
abstractNote = {Yu-Shiba-Rusinov (YSR) bound states appear when a magnetic atom interacts with a superconductor. In this study, we report on spin-resolved spectroscopic studies of YSR states related with Fe atoms deposited on the surface of the topological superconductor FeTe0.55Se0.45 using a spin-polarized scanning tunneling microscope. We clearly identify the spin signature of pairs of YSR bound states at finite energies within the superconducting gap having opposite spin polarization as theoretically predicted. In addition, we also observe zero-energy bound states for some of the adsorbed Fe atoms. In this case, a spin signature is found to be absent indicating the absence of Majorana bound states associated with Fe adatoms on FeTe0.55Se0.45.},
doi = {10.1103/physrevlett.126.076802},
journal = {Physical Review Letters},
number = 7,
volume = 126,
place = {United States},
year = {Thu Feb 18 00:00:00 EST 2021},
month = {Thu Feb 18 00:00:00 EST 2021}
}
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Works referencing / citing this record:
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