Observing the Suppression of Superconductivity in RbEuFe4As4 by Correlated Magnetic Fluctuations
Abstract
In this Letter, we describe quantitative magnetic imaging of superconducting vortices in RbEuFe4As4 in order to investigate the unique interplay between the magnetic and superconducting sublattices. Our scanning Hall microscopy data reveal a pronounced suppression of the superfluid density near the magnetic ordering temperature in good qualitative agreement with a recently developed model describing the suppression of superconductivity by correlated magnetic fluctuations. Furthermore, these results indicate a pronounced exchange interaction between the superconducting and magnetic subsystems in RbEuFe4As4, with important implications for future investigations of physical phenomena arising from the interplay between them.
- Authors:
-
[1];
[1];
[2];
[3];
[1];
[4];
[2];
- Univ. of Bath (United Kingdom)
- Argonne National Lab. (ANL), Lemont, IL (United States)
- Argonne National Lab. (ANL), Lemont, IL (United States); Hofstra Univ., Hempstead, NY (United States)
- Argonne National Lab. (ANL), Lemont, IL (United States); Univ. of Bayreuth (Germany)
- Argonne National Lab. (ANL), Lemont, IL (United States);; Northwestern Univ., Evanston, IL (United States)
- Publication Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1797942
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 126; Journal Issue: 15; 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; Magnetic order; Superconductivity; Superfluid density; Iron-based superconductors; Scanning probe microscopy
Citation Formats
Collomb, D., Bending, S. J., Koshelev, A. E., Smylie, M. P., Farrar, L., Bao, J. -K., Chung, D. Y., Kanatzidis, M. G., Kwok, W. -K., and Welp, U. Observing the Suppression of Superconductivity in RbEuFe4As4 by Correlated Magnetic Fluctuations. United States: N. p., 2021.
Web. doi:10.1103/physrevlett.126.157001.
Collomb, D., Bending, S. J., Koshelev, A. E., Smylie, M. P., Farrar, L., Bao, J. -K., Chung, D. Y., Kanatzidis, M. G., Kwok, W. -K., & Welp, U. Observing the Suppression of Superconductivity in RbEuFe4As4 by Correlated Magnetic Fluctuations. United States. https://doi.org/10.1103/physrevlett.126.157001
Collomb, D., Bending, S. J., Koshelev, A. E., Smylie, M. P., Farrar, L., Bao, J. -K., Chung, D. Y., Kanatzidis, M. G., Kwok, W. -K., and Welp, U. Wed .
"Observing the Suppression of Superconductivity in RbEuFe4As4 by Correlated Magnetic Fluctuations". United States. https://doi.org/10.1103/physrevlett.126.157001. https://www.osti.gov/servlets/purl/1797942.
@article{osti_1797942,
title = {Observing the Suppression of Superconductivity in RbEuFe4As4 by Correlated Magnetic Fluctuations},
author = {Collomb, D. and Bending, S. J. and Koshelev, A. E. and Smylie, M. P. and Farrar, L. and Bao, J. -K. and Chung, D. Y. and Kanatzidis, M. G. and Kwok, W. -K. and Welp, U.},
abstractNote = {In this Letter, we describe quantitative magnetic imaging of superconducting vortices in RbEuFe4As4 in order to investigate the unique interplay between the magnetic and superconducting sublattices. Our scanning Hall microscopy data reveal a pronounced suppression of the superfluid density near the magnetic ordering temperature in good qualitative agreement with a recently developed model describing the suppression of superconductivity by correlated magnetic fluctuations. Furthermore, these results indicate a pronounced exchange interaction between the superconducting and magnetic subsystems in RbEuFe4As4, with important implications for future investigations of physical phenomena arising from the interplay between them.},
doi = {10.1103/physrevlett.126.157001},
journal = {Physical Review Letters},
number = 15,
volume = 126,
place = {United States},
year = {Wed Apr 14 00:00:00 EDT 2021},
month = {Wed Apr 14 00:00:00 EDT 2021}
}
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