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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. 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.
Original language | English |
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Article number | 157001 |
Journal | Physical Review Letters |
Volume | 126 |
Issue number | 15 |
Early online date | 14 Apr 2021 |
DOIs | |
Publication status | Published - 15 Apr 2021 |
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EPSRC Centre for Doctoral Training in Condensed Matter Physics
1/04/14 → 31/10/22
Project: Research council
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Graphene Nanosensors for Scanning Hall Microscopy and Susceptometry
Bending, S., Wolverson, D., Yuan, W. & Li, P.
Engineering and Physical Sciences Research Council
1/01/18 → 30/06/21
Project: Research council