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Insight into the Temperature Evolution of Electronic Structure and Mechanism of Exchange Interaction in EuS. / Fedorov, A.; Poelchen, G.; Eremeev, S.; Schulz, Susanne; Generalov, A.; Polley, C.; Laubschat, C.; Kliemt, K.; Kaya, N.; Krellner, C.; Chulkov, E.; Kummer, K.; Usachov, D. Yu; Ernst, A.; Vyalikh, D. V.

In: Journal of Physical Chemistry Letters, Vol. 12, No. 34, 24.08.2021, p. 8328-8334.

Research output: Contribution to journalArticlepeer-review

Harvard

Fedorov, A, Poelchen, G, Eremeev, S, Schulz, S, Generalov, A, Polley, C, Laubschat, C, Kliemt, K, Kaya, N, Krellner, C, Chulkov, E, Kummer, K, Usachov, DY, Ernst, A & Vyalikh, DV 2021, 'Insight into the Temperature Evolution of Electronic Structure and Mechanism of Exchange Interaction in EuS', Journal of Physical Chemistry Letters, vol. 12, no. 34, pp. 8328-8334. https://doi.org/10.1021/acs.jpclett.1c02274

APA

Fedorov, A., Poelchen, G., Eremeev, S., Schulz, S., Generalov, A., Polley, C., Laubschat, C., Kliemt, K., Kaya, N., Krellner, C., Chulkov, E., Kummer, K., Usachov, D. Y., Ernst, A., & Vyalikh, D. V. (2021). Insight into the Temperature Evolution of Electronic Structure and Mechanism of Exchange Interaction in EuS. Journal of Physical Chemistry Letters, 12(34), 8328-8334. https://doi.org/10.1021/acs.jpclett.1c02274

Vancouver

Fedorov A, Poelchen G, Eremeev S, Schulz S, Generalov A, Polley C et al. Insight into the Temperature Evolution of Electronic Structure and Mechanism of Exchange Interaction in EuS. Journal of Physical Chemistry Letters. 2021 Aug 24;12(34):8328-8334. https://doi.org/10.1021/acs.jpclett.1c02274

Author

Fedorov, A. ; Poelchen, G. ; Eremeev, S. ; Schulz, Susanne ; Generalov, A. ; Polley, C. ; Laubschat, C. ; Kliemt, K. ; Kaya, N. ; Krellner, C. ; Chulkov, E. ; Kummer, K. ; Usachov, D. Yu ; Ernst, A. ; Vyalikh, D. V. / Insight into the Temperature Evolution of Electronic Structure and Mechanism of Exchange Interaction in EuS. In: Journal of Physical Chemistry Letters. 2021 ; Vol. 12, No. 34. pp. 8328-8334.

BibTeX

@article{c61323f725f94dfeaa22a05500dc308e,
title = "Insight into the Temperature Evolution of Electronic Structure and Mechanism of Exchange Interaction in EuS",
abstract = "Discovered in 1962, the divalent ferromagnetic semiconductor EuS (T-C = 16.5 K, E-g = 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 T-C 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 T-C 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.",
keywords = "PLANE-WAVE, TRANSPORT-PROPERTIES, GROWTH, PHASE, COHP",
author = "A. Fedorov and G. Poelchen and S. Eremeev and Susanne Schulz and A. Generalov and C. Polley and C. Laubschat and K. Kliemt and N. Kaya and C. Krellner and E. Chulkov and K. Kummer and Usachov, {D. Yu} and A. Ernst and Vyalikh, {D. V.}",
note = "Publisher Copyright: {\textcopyright} 2021 American Chemical Society.",
year = "2021",
month = aug,
day = "24",
doi = "10.1021/acs.jpclett.1c02274",
language = "English",
volume = "12",
pages = "8328--8334",
journal = "Journal of Physical Chemistry Letters",
issn = "1948-7185",
publisher = "American Chemical Society",
number = "34",

}

RIS

TY - JOUR

T1 - Insight into the Temperature Evolution of Electronic Structure and Mechanism of Exchange Interaction in EuS

AU - Fedorov, A.

AU - Poelchen, G.

AU - Eremeev, S.

AU - Schulz, Susanne

AU - Generalov, A.

AU - Polley, C.

AU - Laubschat, C.

AU - Kliemt, K.

AU - Kaya, N.

AU - Krellner, C.

AU - Chulkov, E.

AU - Kummer, K.

AU - Usachov, D. Yu

AU - Ernst, A.

AU - Vyalikh, D. V.

N1 - Publisher Copyright: © 2021 American Chemical Society.

PY - 2021/8/24

Y1 - 2021/8/24

N2 - Discovered in 1962, the divalent ferromagnetic semiconductor EuS (T-C = 16.5 K, E-g = 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 T-C 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 T-C 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.

AB - Discovered in 1962, the divalent ferromagnetic semiconductor EuS (T-C = 16.5 K, E-g = 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 T-C 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 T-C 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.

KW - PLANE-WAVE

KW - TRANSPORT-PROPERTIES

KW - GROWTH

KW - PHASE

KW - COHP

UR - http://www.scopus.com/inward/record.url?scp=85114597659&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/be237b60-f3f7-302e-a879-4c5c3178c532/

U2 - 10.1021/acs.jpclett.1c02274

DO - 10.1021/acs.jpclett.1c02274

M3 - Article

VL - 12

SP - 8328

EP - 8334

JO - Journal of Physical Chemistry Letters

JF - Journal of Physical Chemistry Letters

SN - 1948-7185

IS - 34

ER -

ID: 88189723