Temperature Effect on the Interlayer Exchange Interaction in a Co/Pd/Co Heterostructure
- Authors: Shashkov I.V.1,2, Kabanov Y.P.1, Evstigneev R.S.1, Gornakov V.S.1
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Affiliations:
- Osipyan Institute of Solid State Physics of the RAS
- MIREA – Russian University of Technology
- Issue: No 2 (2024)
- Pages: 54-59
- Section: Articles
- URL: https://journals.rcsi.science/1028-0960/article/view/257503
- DOI: https://doi.org/10.31857/S1028096024020089
- EDN: https://elibrary.ru/BAIGJB
- ID: 257503
Cite item
Abstract
Using Kerr microscopy, the magnetization reversal of the Co(0.4 nm)/Pd(6 nm)/Co(0.4 nm) heterostructure was studied in the temperature range 15–300 K. The temperature dependence of the domain nucleation field in a sample magnetized to saturation was obtained. The nucleation field in both ferromagnetic layers was shown to decrease monotonically with increasing temperature. A region of unstable temperatures of 160–174 K was found, below which the through domains of the new phase nucleated simultaneously in both layers, while in this region domains also nucleated simultaneously in different layers, but in different sites of the sample. The temperature dependence of the effective field HJ of the interlayer exchange interaction was obtained, which increased or decreased the pressure on the domain wall depending on whether this field was added to or subtracted from the external field.
About the authors
I. V. Shashkov
Osipyan Institute of Solid State Physics of the RAS; MIREA – Russian University of Technology
Author for correspondence.
Email: shav@issp.ac.ru
Russian Federation, Chernogolovka; Moscow
Yu. P. Kabanov
Osipyan Institute of Solid State Physics of the RAS
Email: shav@issp.ac.ru
Russian Federation, Chernogolovka
R. S. Evstigneev
Osipyan Institute of Solid State Physics of the RAS
Email: shav@issp.ac.ru
Russian Federation, Chernogolovka
V. S. Gornakov
Osipyan Institute of Solid State Physics of the RAS
Email: shav@issp.ac.ru
Russian Federation, Chernogolovka
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