Depth-resolved magnetic order in superconducting topological insulator/FeTe thin film heterostructures
Despite being structurally and chemically similar to the prominent superconductor FeSe, FeTe is antiferromagnetic and non-superconducting in the bulk. While it has often been presumed that the magnetism and lack of superconductivity in this material are linked, findings relating the two yield conflicting results and are complicated by phase separation. Using a range of topologically nontrivial capping layers to stabilize interfacial FeTe superconductivity, the authors show that the suppression of the antiferromagnetic state in FeTe is unlikely to be the primary factor driving superconductivity. Instead, They find evidence that subtle changes in Fe content likely drive the transition.
Authors
- Thomas Prokscha (ORCID: https://orcid.org/0000-0002-7643-4695)
- Andreas Suter (ORCID: https://orcid.org/0000-0002-9214-6474)
- Cui‐Zu Chang (ORCID: https://orcid.org/0000-0003-3515-2955)
- Brian B. Maranville (ORCID: https://orcid.org/0000-0002-6105-8789)
- Andrew J. Caruana (ORCID: https://orcid.org/0000-0003-0715-5876)
- Z. Salman (ORCID: https://orcid.org/0000-0002-3431-8135)
- Wei Yuan (ORCID: https://orcid.org/0000-0001-5442-1271)
- Alexander J. Grutter (ORCID: https://orcid.org/0000-0002-6876-7625)
- Hemian Yi
- C. J. Kinane (ORCID: https://orcid.org/0000-0002-1185-0719)
- D. Backes (ORCID: https://orcid.org/0000-0002-1019-3323)
- Purnima P. Balakrishnan (ORCID: https://orcid.org/0000-0002-1426-669X)
- Fabio Orlandi (ORCID: https://orcid.org/0000-0001-6333-521X)
- Pascal Manuel (ORCID: https://orcid.org/0000-0002-8845-6576)
- Τakayasu Hanashima (ORCID: https://orcid.org/0000-0001-9429-5644)
- Padraic Shafer (ORCID: https://orcid.org/0000-0001-9363-2557)
- Christopher Jensen (ORCID: https://orcid.org/0000-0001-7459-1841)
- Zi‐Jie Yan (ORCID: https://orcid.org/0000-0001-6176-319X)
Institutions
- Rutherford Appleton Laboratory (GB)
- Pennsylvania State University (US)
- National Institute of Standards and Technology (US)
- Lawrence Berkeley National Laboratory (US)
- Diamond Light Source (GB)
- China Spallation Neutron Source (CN)
- Institute for Science and International Security (US)
- Comprehensive Research Organization for Science and Society (JP)
- NIST Center for Neutron Research (US)
- Advanced Light Source
Publication Details
- Journal
- Physical Review Materials
- Published
- 2025-10-03
- DOI
- https://doi.org/10.1103/15fx-3cr2
- Citations
- 1
- Primary Topic
- Topological Materials and Phenomena
- Type
- article
- Field-Weighted Citation Impact
- 1.25