Applied Surface Science, volume 543, pages 148720

Magnetic properties and the interfacial Dzyaloshinskii-Moriya interaction in exchange biased Pt/Co/NixOy films

Kolesnikov A. G.
Kolesnikov Alexander 1
Stebliy M. E.
Davydenko A. V.
Kozlov A.G. 1
Osmushko I S 1
Korochentsev V V 1
Ognev A. V.
Gerasimenko A V
Gerasimenko Andrey 2
Sadovnikov A. V.
Gubanov V.A.
Nikitov S. A.
Wang X.
Wang Xiongfei 5
Wan C. C. 5
Wan C H
FANG C. 5
Zhao M. 5
HAN X. F. 5
Samardak Alexander
Publication typeJournal Article
Publication date2021-03-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor6.7
ISSN01694332
Surfaces, Coatings and Films
General Chemistry
General Physics and Astronomy
Condensed Matter Physics
Surfaces and Interfaces
Abstract
We show that a trilayer magnetic structure, consisting of a heavy metal (Platinum) as a buffer, an ultrathin ferromagnet (Cobalt) as a functional layer, and an antiferromagnetic insulator (Nickel oxide, NixOy) as a capping, is a host of intriguing physical phenomena desirable for spintronics. X-ray photoelectron spectroscopy revealed changes in the ratio of NixOy phases with different stoichiometry. Due to strong spin–orbit coupling, the Pt layer induces perpendicular magnetic anisotropy in Co, breaks its structural inversion symmetry, and causes an additive effect of Pt/Co and Co/NixOy interfaces to the effective interfacial Dzyaloshinskii-Moriya interaction (Deff). Manipulation the magnetic anisotropy can be realized by the ferromagnetic layer thickness variation and modification of the Co/NixOy interface. The NixOy capping layer induces the exchange bias in Co, which effective field |Beb| can be controlled in the range from 0 to 24 mT. The magnitude and direction of Beb does not affect Deff. The increase of Ar pressure leads to structural transformation of the Co/NixOy interface and, consequently, to decrease of the surface Dzyaloshinskii-Moriya interaction (Ds), the source of which is the NiO phase. We demonstrate that the studied Pt/Co/NixOy system has a number of functional properties useful for future logic and memory applications.

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Kolesnikov A. G. et al. Magnetic properties and the interfacial Dzyaloshinskii-Moriya interaction in exchange biased Pt/Co/NixOy films // Applied Surface Science. 2021. Vol. 543. p. 148720.
GOST all authors (up to 50) Copy
Kolesnikov A. G., Kolesnikov A., Stebliy M. E., Davydenko A. V., Davydenko A. V., Kozlov A., Osmushko I. S., Korochentsev V. V., Ognev A. V., Ognev A. V., Gerasimenko A. V., Gerasimenko A., Sadovnikov A. V., Sadovnikov A. V., Gubanov V., Gubanov V., Nikitov S. A., Nikitov S. A., Wang X., Wang X., Wan C. C., Wan C. H., FANG C., Zhao M., HAN X. F., Samardak A., Samardak A. S. Magnetic properties and the interfacial Dzyaloshinskii-Moriya interaction in exchange biased Pt/Co/NixOy films // Applied Surface Science. 2021. Vol. 543. p. 148720.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.apsusc.2020.148720
UR - https://doi.org/10.1016%2Fj.apsusc.2020.148720
TI - Magnetic properties and the interfacial Dzyaloshinskii-Moriya interaction in exchange biased Pt/Co/NixOy films
T2 - Applied Surface Science
AU - Kolesnikov, A. G.
AU - Stebliy, M. E.
AU - Davydenko, A. V.
AU - Kozlov, A.G.
AU - Osmushko, I S
AU - Korochentsev, V V
AU - Ognev, A. V.
AU - Gerasimenko, A V
AU - Sadovnikov, A. V.
AU - Gubanov, V.A.
AU - Nikitov, S. A.
AU - Wang, X.
AU - Wan, C H
AU - FANG, C.
AU - Zhao, M.
AU - HAN, X. F.
AU - Samardak, Alexander
AU - Kolesnikov, Alexander
AU - Ognev, Alexey V.
AU - Davydenko, A. V.
AU - Gerasimenko, Andrey
AU - Sadovnikov, Alexandr V.
AU - Gubanov, V. A.
AU - Nikitov, Sergey Apollonovich
AU - Wang, Xiongfei
AU - Wan, C. C.
AU - Samardak, Alexander S.
PY - 2021
DA - 2021/03/01 00:00:00
PB - Elsevier
SP - 148720
VL - 543
SN - 0169-4332
ER -
BibTex
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BibTex Copy
@article{2021_Kolesnikov,
author = {A. G. Kolesnikov and M. E. Stebliy and A. V. Davydenko and A.G. Kozlov and I S Osmushko and V V Korochentsev and A. V. Ognev and A V Gerasimenko and A. V. Sadovnikov and V.A. Gubanov and S. A. Nikitov and X. Wang and C H Wan and C. FANG and M. Zhao and X. F. HAN and Alexander Samardak and Alexander Kolesnikov and Alexey V. Ognev and A. V. Davydenko and Andrey Gerasimenko and Alexandr V. Sadovnikov and V. A. Gubanov and Sergey Apollonovich Nikitov and Xiongfei Wang and C. C. Wan and Alexander S. Samardak},
title = {Magnetic properties and the interfacial Dzyaloshinskii-Moriya interaction in exchange biased Pt/Co/NixOy films},
journal = {Applied Surface Science},
year = {2021},
volume = {543},
publisher = {Elsevier},
month = {mar},
url = {https://doi.org/10.1016%2Fj.apsusc.2020.148720},
pages = {148720},
doi = {10.1016/j.apsusc.2020.148720}
}
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