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Insight into the Te...
Insight into the Temperature Evolution of Electronic Structure and Mechanism of Exchange Interaction in EuS
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- Fedorov, A. V. (författare)
- Leibniz Institute for Solid State and Materials Research,Helmholtz-Zentrum Berlin für Materialien und Energie GmbH
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- Poelchen, G. (författare)
- European Synchrotron Radiation Facility,Leibniz Institute for Solid State and Materials Research
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- Eremeev, S. V. (författare)
- Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences
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- Schulz, S. (författare)
- Leibniz Institute for Solid State and Materials Research
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- Generalov, A. (författare)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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- Polley, C. (författare)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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- Laubschat, C. (författare)
- Leibniz Institute for Solid State and Materials Research
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- Kliemt, K. (författare)
- Goethe University
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- Kaya, N. (författare)
- Goethe University
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- Krellner, C. (författare)
- Goethe University
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- Chulkov, E. V. (författare)
- University of the Basque Country,Donostia International Physics Center (DIPC),Tomsk State University,Saint Petersburg State University
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- Kummer, K. (författare)
- European Synchrotron Radiation Facility
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- Usachov, D. Yu (författare)
- Saint Petersburg State University
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- Ernst, A. (författare)
- Johannes-Kepler-University of Linz,Max Planck Institute of Microstructure Physics
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- Vyalikh, D. V. (författare)
- Basque Foundation for Science,Donostia International Physics Center (DIPC)
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(creator_code:org_t)
- 2021-08-24
- 2021
- Engelska 7 s.
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Ingår i: Journal of Physical Chemistry Letters. - : American Chemical Society (ACS). - 1948-7185. ; 12:34, s. 8328-8334
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Discovered in 1962, the divalent ferromagnetic semiconductor EuS (TC = 16.5 K, Eg = 1.65 eV) has remained constantly relevant to the engineering of novel magnetically active interfaces, heterostructures, and multilayer sequences and to combination with topological materials. Because detailed information on the electronic structure of EuS and, in particular, its evolution across TC is not well-represented in the literature but is essential for the development of new functional systems, the present work aims at filling this gap. Our angle-resolved photoemission measurements complemented with first-principles calculations demonstrate how the electronic structure of EuS evolves across a paramagnetic-ferromagnetic transition. Our results emphasize the importance of the strong Eu 4f-S 3p mixing for exchange-magnetic splittings of the sulfur-derived bands as well as coupling between f and d orbitals of neighboring Eu atoms to derive the value of TC accurately. The 4f-3p mixing facilitates the coupling between 4f and 5d orbitals of neighboring Eu atoms, which mainly governs the exchange interaction in EuS.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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- Av författaren/redakt...
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Fedorov, A. V.
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Poelchen, G.
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Eremeev, S. V.
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Schulz, S.
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Generalov, A.
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Polley, C.
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visa fler...
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Laubschat, C.
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Kliemt, K.
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Kaya, N.
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Krellner, C.
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Chulkov, E. V.
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Kummer, K.
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Usachov, D. Yu
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Ernst, A.
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Vyalikh, D. V.
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- NATURVETENSKAP
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Journal of Physi ...
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Lunds universitet