Evidence map›Paper›PMID 41864942›Full record

ArticleNature communications2026

Supercurrent-controlled spontaneous ferromagnetism of magnetic impurities in a spin-orbit-coupled superconductor.

Bingke Xiang, Qiushi He, Yishi Lin, Keyi Liang, Zhijie Li, Jinjiang Zhu, Boren Chen, Youfang Wang, Puhua Zhang, Hongxu Yao and 7 more

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

17 authors.

Bingke Xiang *State Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai, China.ORCID http://orcid.org/0000-0001-5566-1517
Qiushi He *State Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai, China.
Yishi Lin *State Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai, China.
Keyi LiangState Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai, China.
Zhijie LiState Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai, China.
Jinjiang ZhuState Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai, China.
Boren ChenState Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai, China.
Youfang WangState Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai, China.
Puhua ZhangState Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai, China.
Hongxu YaoState Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai, China.
Chunxiang WuSchool of Physics, Zhejiang University, Hangzhou, China.
Tingyu ZhouSchool of Physics, Zhejiang University, Hangzhou, China.ORCID http://orcid.org/0000-0002-0135-4850
Minghu FangSchool of Physics, Zhejiang University, Hangzhou, China.ORCID http://orcid.org/0000-0002-6514-1168
Yao LuCentro de Fisica de Materiales (CFM-MPC), Centro Mixto CSIC-UPV/EHU, Manuel de Lardizabal 4, San Sebastian, Spain.
Ilya TokatlyDonostia International Physics Center (DIPC), Manuel de Lardizabal 5, San Sebastian, Spain.ORCID http://orcid.org/0000-0001-6288-0689
Sebastian BergeretCentro de Fisica de Materiales (CFM-MPC), Centro Mixto CSIC-UPV/EHU, Manuel de Lardizabal 4, San Sebastian, Spain.ORCID http://orcid.org/0000-0001-6007-4878
Yihua WangState Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai, China. wangyhv@fudan.edu.cn.ORCID http://orcid.org/0000-0002-5590-5881

Funding

Ministry of Science and Technology of the People's Republic of China (Chinese Ministry of Science and Technology) 2022YFA1403202Natural Science Foundation of Shanghai (Natural Science Foundation of Shanghai Municipality) 2019SHZDZX01
6 · The paper itself

Abstract

Conventional superconductors disfavor ferromagnetism because the supercurrent-carrying electrons are paired into anti-parallel spin singlets. Consequently, ferromagnetic coupling between localized moments through the charge carriers is absent in s-wave superconductors. However, Rashba-type spin-orbit coupling (SOC) can profoundly alter the interaction between the charge carriers and localized spins. Here, we report long-range ferromagnetic order among the impurity moments on the surface of an s-wave SOC superconductor, Fe(Se, Te). We employ scanning superconducting quantum interference device microscopy and find suppressed vortex states but spontaneous magnetic domains in the superconducting state. Homogeneous remanent flux patterns are induced by applying supercurrents through the sample. The patterns are consistent with anomalous edge and bulk supercurrents generated by long-range in-plane magnetization related to the magneto-electric effect intrinsic to a Rashba superconductor. The anomalous supercurrents occur above a bias current threshold and follow hysteresis loops reminiscent of those of a ferromagnet. Surprisingly, the magnetic switching (super)current density is three orders of magnitude less than that in a ferromagnetic metal with SOC. These observations suggest an emergent ferromagnetic impurity state in a Rashba superconductor, which can be controlled by applying supercurrents.

Identifiers

PMID41864942
PMCPMC13172044

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.