XMCD and ab initio study of interface-engineered ultrathin Ru/Co/W/Ru films with perpendicular magnetic anisotropy and strong Dzyaloshinskii–Moriya interaction
Alexey V Ognev
1
,
Alexander G Kolesnikov
1
,
Maksim E. Stebliy
1
,
Vadim Yu Samardak
1
,
Ilia G Iliushin
1
,
Dmitry Yudin
2
,
M. S. Platunov
3, 4
,
Teruo ONO
1, 5
,
Fabrice Wilhelm
6
,
Andrey Rogalev
6
3
Publication type: Journal Article
Publication date: 2022-03-08
scimago Q2
wos Q2
SJR: 0.698
CiteScore: 5.3
Impact factor: 2.9
ISSN: 14639076, 14639084
PubMed ID:
35319030
Physical and Theoretical Chemistry
General Physics and Astronomy
Abstract
Understanding the nature of recently discovered spin-orbital induced phenomena and a definition of a general approach for "ferromagnet/heavy-metal" layered systems to enhance and manipulate spin-orbit coupling, spin-orbit torque, and the Dzyaloshinskii-Moriya interaction (DMI) assisted by atomic-scale interface engineering are essential for developing spintronics and spin-orbitronics. Here, we exploit X-ray magnetic circular dichroism (XMCD) spectroscopy at the L2,3-edges of 5d and 4d non-magnetic heavy metals (W and Ru, respectively) in ultrathin Ru/Co/W/Ru films to determine their induced magnetic moments due to the proximity to the ferromagnetic layer of Co. The deduced orbital and spin magnetic moments agree well with the theoretically predicted values, highlighting the drastic effect of constituting layers on the system's magnetic properties and the strong interfacial DMI in Ru/Co/W/Ru films. As a result, we demonstrate the ability to simultaneously control the strength of magnetic anisotropy and intermixing-enhanced DMI through the interface engineered inversion asymmetry in thin-film chiral ferromagnets, which are a potential host for stable magnetic skyrmions.
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Citations from 2024:
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Samardak A. S. et al. XMCD and ab initio study of interface-engineered ultrathin Ru/Co/W/Ru films with perpendicular magnetic anisotropy and strong Dzyaloshinskii–Moriya interaction // Physical Chemistry Chemical Physics. 2022. Vol. 24. No. 14. pp. 8225-8232.
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Samardak A. S., Ognev A. V., Kolesnikov A. G., Stebliy M. E., Samardak V. Yu., Iliushin I. G., Pervishko A. A., Yudin D., Platunov M. S., ONO T., Wilhelm F., Rogalev A. XMCD and ab initio study of interface-engineered ultrathin Ru/Co/W/Ru films with perpendicular magnetic anisotropy and strong Dzyaloshinskii–Moriya interaction // Physical Chemistry Chemical Physics. 2022. Vol. 24. No. 14. pp. 8225-8232.
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TY - JOUR
DO - 10.1039/d1cp05456b
UR - https://xlink.rsc.org/?DOI=D1CP05456B
TI - XMCD and ab initio study of interface-engineered ultrathin Ru/Co/W/Ru films with perpendicular magnetic anisotropy and strong Dzyaloshinskii–Moriya interaction
T2 - Physical Chemistry Chemical Physics
AU - Samardak, Alexander S.
AU - Ognev, Alexey V
AU - Kolesnikov, Alexander G
AU - Stebliy, Maksim E.
AU - Samardak, Vadim Yu
AU - Iliushin, Ilia G
AU - Pervishko, Anastasiia A
AU - Yudin, Dmitry
AU - Platunov, M. S.
AU - ONO, Teruo
AU - Wilhelm, Fabrice
AU - Rogalev, Andrey
PY - 2022
DA - 2022/03/08
PB - Royal Society of Chemistry (RSC)
SP - 8225-8232
IS - 14
VL - 24
PMID - 35319030
SN - 1463-9076
SN - 1463-9084
ER -
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BibTex (up to 50 authors)
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@article{2022_Samardak,
author = {Alexander S. Samardak and Alexey V Ognev and Alexander G Kolesnikov and Maksim E. Stebliy and Vadim Yu Samardak and Ilia G Iliushin and Anastasiia A Pervishko and Dmitry Yudin and M. S. Platunov and Teruo ONO and Fabrice Wilhelm and Andrey Rogalev},
title = {XMCD and ab initio study of interface-engineered ultrathin Ru/Co/W/Ru films with perpendicular magnetic anisotropy and strong Dzyaloshinskii–Moriya interaction},
journal = {Physical Chemistry Chemical Physics},
year = {2022},
volume = {24},
publisher = {Royal Society of Chemistry (RSC)},
month = {mar},
url = {https://xlink.rsc.org/?DOI=D1CP05456B},
number = {14},
pages = {8225--8232},
doi = {10.1039/d1cp05456b}
}
Cite this
MLA
Copy
Samardak, Alexander S., et al. “XMCD and ab initio study of interface-engineered ultrathin Ru/Co/W/Ru films with perpendicular magnetic anisotropy and strong Dzyaloshinskii–Moriya interaction.” Physical Chemistry Chemical Physics, vol. 24, no. 14, Mar. 2022, pp. 8225-8232. https://xlink.rsc.org/?DOI=D1CP05456B.