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Strong Rashba Effect and Different f−d Hybridization Phenomena at the Surface of the Heavy-Fermion Superconductor CeIrIn5

Mende, Max (author)
Dresden University of Technology
Ali, Khadiza (author)
Chalmers University of Technology,Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
Poelchen, Georg (author)
European Synchrotron Radiation Facility,Dresden University of Technology
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Schulz, Susanne (author)
Dresden University of Technology
Mandic, Vladislav (author)
Goethe University
Tarasov, Artem V. (author)
Saint Petersburg State University
Polley, Craig (author)
Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
Generalov, Alexander (author)
Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
Fedorov, Alexander V. (author)
Leibniz Institute for Solid State and Materials Research,Helmholtz-Zentrum Berlin für Materialien und Energie GmbH
Güttler, Monika (author)
Dresden University of Technology
Laubschat, Clemens (author)
Dresden University of Technology
Kliemt, Kristin (author)
Goethe University
Koroteev, Yury M. (author)
Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences
Chulkov, Evgueni V. (author)
Donostia International Physics Center (DIPC),Saint Petersburg State University,University of the Basque Country,CSIC Centro de Física de Materiales (UPV/EHU)
Kummer, Kurt (author)
European Synchrotron Radiation Facility
Krellner, Cornelius (author)
Goethe University
Usachov, Dmitry Yu (author)
Saint Petersburg State University
Vyalikh, Denis V. (author)
Donostia International Physics Center (DIPC),Basque Foundation for Science
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 (creator_code:org_t)
2021-12-03
2022
English.
In: Advanced Electronic Materials. - : Wiley. - 2199-160X. ; 8:3
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • New temperature scales and remarkable differences from bulk properties have increasingly placed the surfaces of strongly correlated f materials into the focus of research activities. Applying first-principles calculations and angle-resolved photoelectron spectroscopy measurements, a strong Rashba effect and spin-split surface states at the CeIn surface of the heavy-fermion superconductor CeIrIn5 are revealed. The unveiled 4f-derived electron landscape is remarkably distinct for surface and bulk Ce implying the existence of novel temperature scales near the surface region in this material. These results show that ab initio calculations can reliably predict the unusual electronic and spin structure of surfaces of strongly correlated 4f systems where Rashba spin-orbit-coupling phenomena emerge. It is suggested that the structural blocks of such materials can be combined with magnetically active layers for engineering of novel nanostructural objects with appropriate substrates where the diversity of f-driven properties can be applied for the development of novel functionalities.

Subject headings

NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)

Keyword

electronic structure
heavy fermion
surface state

Publication and Content Type

art (subject category)
ref (subject category)

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