Direct observation of altermagnetic band splitting in CrSb thin films
- Publication type:
- Journal article
- Metadata:
-
- Autoren
- Sonka Reimers
- Lukas Odenbreit
- Libor Smejkal
- Vladimir N Strocov
- Procopios Constantinou
- Anna B Hellenes
- Rodrigo Jaeschke Ubiergo
- Warlley H Campos
- Venkata K Bharadwaj
- Atasi Chakraborty
- Thibaud Denneulin
- Wen Shi
- Rafal E Dunin-Borkowski
- Suvadip Das
- Mathias Klaeui
- Jairo Sinova
- Martin Jourdan
- Autoren-URL
- https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=fis-test-1&SrcAuth=WosAPI&KeyUT=WOS:001181488200010&DestLinkType=FullRecord&DestApp=WOS_CPL
- DOI
- 10.1038/s41467-024-46476-5
- eISSN
- 2041-1723
- Externe Identifier
- Clarivate Analytics Document Solution ID: KQ7C3
- PubMed Identifier: 38459058
- Ausgabe der Veröffentlichung
- 1
- Zeitschrift
- NATURE COMMUNICATIONS
- Artikelnummer
- ARTN 2116
- Datum der Veröffentlichung
- 2024
- Status
- Published
- Titel
- Direct observation of altermagnetic band splitting in CrSb thin films
- Sub types
- Article
- Ausgabe der Zeitschrift
- 15
Data source: Web of Science (Lite)
- Other metadata sources:
-
- Abstract
- <jats:title>Abstract</jats:title><jats:p>Altermagnetism represents an emergent collinear magnetic phase with compensated order and an unconventional alternating even-parity wave spin order in the non-relativistic band structure. We investigate directly this unconventional band splitting near the Fermi energy through spin-integrated soft X-ray angular resolved photoemission spectroscopy. The experimentally obtained angle-dependent photoemission intensity, acquired from epitaxial thin films of the predicted altermagnet CrSb, demonstrates robust agreement with the corresponding band structure calculations. In particular, we observe the distinctive splitting of an electronic band on a low-symmetry path in the Brilliouin zone that connects two points featuring symmetry-induced degeneracy. The measured large magnitude of the spin splitting of approximately 0.6 eV and the position of the band just below the Fermi energy underscores the significance of altermagnets for spintronics based on robust broken time reversal symmetry responses arising from exchange energy scales, akin to ferromagnets, while remaining insensitive to external magnetic fields and possessing THz dynamics, akin to antiferromagnets.</jats:p>
- Autoren
- Sonka Reimers
- Lukas Odenbreit
- Libor Šmejkal
- Vladimir N Strocov
- Procopios Constantinou
- Anna B Hellenes
- Rodrigo Jaeschke Ubiergo
- Warlley H Campos
- Venkata K Bharadwaj
- Atasi Chakraborty
- Thibaud Denneulin
- Wen Shi
- Rafal E Dunin-Borkowski
- Suvadip Das
- Mathias Kläui
- Jairo Sinova
- Martin Jourdan
- DOI
- 10.1038/s41467-024-46476-5
- eISSN
- 2041-1723
- Ausgabe der Veröffentlichung
- 1
- Zeitschrift
- Nature Communications
- Sprache
- en
- Artikelnummer
- 2116
- Online publication date
- 2024
- Status
- Published online
- Herausgeber
- Springer Science and Business Media LLC
- Herausgeber URL
- http://dx.doi.org/10.1038/s41467-024-46476-5
- Datum der Datenerfassung
- 2024
- Titel
- Direct observation of altermagnetic band splitting in CrSb thin films
- Ausgabe der Zeitschrift
- 15
Data source: Crossref
- Abstract
- Altermagnetism represents an emergent collinear magnetic phase with compensated order and an unconventional alternating even-parity wave spin order in the non-relativistic band structure. We investigate directly this unconventional band splitting near the Fermi energy through spin-integrated soft X-ray angular resolved photoemission spectroscopy. The experimentally obtained angle-dependent photoemission intensity, acquired from epitaxial thin films of the predicted altermagnet CrSb, demonstrates robust agreement with the corresponding band structure calculations. In particular, we observe the distinctive splitting of an electronic band on a low-symmetry path in the Brilliouin zone that connects two points featuring symmetry-induced degeneracy. The measured large magnitude of the spin splitting of approximately 0.6 eV and the position of the band just below the Fermi energy underscores the significance of altermagnets for spintronics based on robust broken time reversal symmetry responses arising from exchange energy scales, akin to ferromagnets, while remaining insensitive to external magnetic fields and possessing THz dynamics, akin to antiferromagnets.
- Addresses
- Institut für Physik, Johannes Gutenberg-Universität Mainz, 55099, Mainz, Germany.
- Autoren
- Sonka Reimers
- Lukas Odenbreit
- Libor Šmejkal
- Vladimir N Strocov
- Procopios Constantinou
- Anna B Hellenes
- Rodrigo Jaeschke Ubiergo
- Warlley H Campos
- Venkata K Bharadwaj
- Atasi Chakraborty
- Thibaud Denneulin
- Wen Shi
- Rafal E Dunin-Borkowski
- Suvadip Das
- Mathias Kläui
- Jairo Sinova
- Martin Jourdan
- DOI
- 10.1038/s41467-024-46476-5
- eISSN
- 2041-1723
- Externe Identifier
- PubMed Identifier: 38459058
- PubMed Central ID: PMC10923844
- Funding acknowledgements
- Deutsche Forschungsgemeinschaft: TRR 173
- Deutsche Forschungsgemeinschaft (German Research Foundation): TRR 173
- Deutsche Forschungsgemeinschaft: TRR 288
- Deutsche Forschungsgemeinschaft (German Research Foundation): TRR 288
- Open access
- true
- ISSN
- 2041-1723
- Ausgabe der Veröffentlichung
- 1
- Zeitschrift
- Nature communications
- Sprache
- eng
- Medium
- Electronic
- Online publication date
- 2024
- Open access status
- Open Access
- Paginierung
- 2116
- Datum der Veröffentlichung
- 2024
- Status
- Published
- Publisher licence
- CC BY
- Datum der Datenerfassung
- 2024
- Titel
- Direct observation of altermagnetic band splitting in CrSb thin films.
- Sub types
- research-article
- Journal Article
- Ausgabe der Zeitschrift
- 15
Files
https://www.nature.com/articles/s41467-024-46476-5.pdf https://europepmc.org/articles/PMC10923844?pdf=render
Data source: Europe PubMed Central
- Abstract
- Altermagnetism represents an emergent collinear magnetic phase with compensated order and an unconventional alternating even-parity wave spin order in the non-relativistic band structure. We investigate directly this unconventional band splitting near the Fermi energy through spin-integrated soft X-ray angular resolved photoemission spectroscopy. The experimentally obtained angle-dependent photoemission intensity, acquired from epitaxial thin films of the predicted altermagnet CrSb, demonstrates robust agreement with the corresponding band structure calculations. In particular, we observe the distinctive splitting of an electronic band on a low-symmetry path in the Brilliouin zone that connects two points featuring symmetry-induced degeneracy. The measured large magnitude of the spin splitting of approximately 0.6 eV and the position of the band just below the Fermi energy underscores the significance of altermagnets for spintronics based on robust broken time reversal symmetry responses arising from exchange energy scales, akin to ferromagnets, while remaining insensitive to external magnetic fields and possessing THz dynamics, akin to antiferromagnets.
- Date of acceptance
- 2024
- Autoren
- Sonka Reimers
- Lukas Odenbreit
- Libor Šmejkal
- Vladimir N Strocov
- Procopios Constantinou
- Anna B Hellenes
- Rodrigo Jaeschke Ubiergo
- Warlley H Campos
- Venkata K Bharadwaj
- Atasi Chakraborty
- Thibaud Denneulin
- Wen Shi
- Rafal E Dunin-Borkowski
- Suvadip Das
- Mathias Kläui
- Jairo Sinova
- Martin Jourdan
- Autoren-URL
- https://www.ncbi.nlm.nih.gov/pubmed/38459058
- DOI
- 10.1038/s41467-024-46476-5
- eISSN
- 2041-1723
- Externe Identifier
- PubMed Central ID: PMC10923844
- Funding acknowledgements
- Deutsche Forschungsgemeinschaft (German Research Foundation): TRR 173
- Deutsche Forschungsgemeinschaft (German Research Foundation): TRR 288
- Ausgabe der Veröffentlichung
- 1
- Zeitschrift
- Nat Commun
- Sprache
- eng
- Country
- England
- Paginierung
- 2116
- PII
- 10.1038/s41467-024-46476-5
- Datum der Veröffentlichung
- 2024
- Status
- Published online
- Titel
- Direct observation of altermagnetic band splitting in CrSb thin films.
- Sub types
- Journal Article
- Ausgabe der Zeitschrift
- 15
Data source: PubMed
- Author's licence
- CC-BY
- Autoren
- Sonka Reimers
- Lukas Odenbreit
- Libor Šmejkal
- Vladimir N Strocov
- Procopios Constantinou
- Anna B Hellenes
- Rodrigo Jaeschke Ubiergo
- Warlley H Campos
- Venkata K Bharadwaj
- Atasi Chakraborty
- Thibaud Denneulin
- Wen Shi
- Rafal E Dunin-Borkowski
- Suvadip Das
- Mathias Kläui
- Jairo Sinova
- Martin Jourdan
- Hosting institution
- Universitätsbibliothek Mainz
- Sammlungen
- DFG-491381577-G
- Resource version
- Published version
- DOI
- 10.1038/s41467-024-46476-5
- File(s) embargoed
- false
- Open access
- true
- ISSN
- 2041-1723
- Zeitschrift
- Nature Communications
- Schlüsselwörter
- 530 Physik
- 530 Physics
- Sprache
- eng
- Open access status
- Open Access
- Paginierung
- 2116
- Datum der Veröffentlichung
- 2024
- Public URL
- https://openscience.ub.uni-mainz.de/handle/20.500.12030/10459
- Herausgeber
- Nature Publishing Group UK
- Datum der Datenerfassung
- 2024
- Datum, an dem der Datensatz öffentlich gemacht wurde
- 2024
- Zugang
- Public
- Titel
- Direct observation of altermagnetic band splitting in CrSb thin films
- Ausgabe der Zeitschrift
- 15
Files
direct_observation_of_alterma-20240611170101941.pdf
Data source: OPENSCIENCE.UB
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