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One dimensional edge localized YSR states in CrCl3 on NbSe2

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s41535-025-00759-2.pdf (1.24 MB)

Publication date

2025

Authors

Cuperus, Jan Petrus
Kole, A. H.ISNI 000000051254554X
Botello-Méndez, Andrés R.ORCID 0000-0002-7317-4699ISNI 0000000501373666
Zanolli, ZeilaORCID 0000-0003-0860-600XISNI 0000000492960673
Vanmaekelbergh, DanielISNI 0000000394482321
Swart, IngmarORCID 0000-0003-3201-7301ISNI 0000000390199991

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DOI

https://doi.org/10.1038/s41535-025-00759-2

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Article

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Abstract

Magnet/superconductor hybrid systems have been put forward as a platform for realizing topological superconductivity. We investigated the heterostructure of ferromagnetic monolayer CrCl3 and superconducting NbSe2. Using low-temperature scanning tunneling microscopy, we observe topologically trivial Yu-Shiba-Rusinov (YSR) states localized at the edge of CrCl3 islands. DFT simulations reveal that the Cr atoms at the edge have an enhanced d-orbital DOS close to EF. This leads to an exchange coupling between these atoms and the substrate that rationalizes the edge-localization of the YSR states.

Keywords

SDG 11 - Sustainable Cities and Communities, SDG 9 - Industry, Innovation, and Infrastructure

Citation

Cuperus, J, Kole, A, Botello-Méndez, A R, Zanolli, Z, Vanmaekelbergh, D & Swart, I 2025, 'One dimensional edge localized YSR states in CrCl3 on NbSe2', npj Quantum Materials, vol. 10, no. 1, 51. https://doi.org/10.1038/s41535-025-00759-2

URI

https://dspace.library.uu.nl/handle/1874/477084