Spin–Orbit Torque-Assisted Detection of the Canted Magnetization Phase in a CoTb-Based Ferrimagnet

Ferrimagnets have the potential to play a key role in spintronics due to their high stability, low energy consumption, and rapid magnetic state switching. These characteristics are typically observed in ferrimagnetic materials near magnetic or angular compensation states. Near the magnetic compensation point, an external field can disrupt the collinearity between the sublattices, leading to aligned magnetic projections. In this work, a violation of antiferromagnetic ordering is detected by a change in the direction of the effective field induced by spin–orbit torque, without altering the dominance type. In the studied W/Co70Tb30/Ru structure, the canted phase region is observed near room temperature under external fields of approximately 0.1 T. Using macrospin simulations and analytical derivations, a correlation is established between anisotropy, interlattice exchange interaction, and the presence of the canted phase region.

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Publication Details

Journal
ACS Applied Electronic Materials
Published
2025-03-25
DOI
https://doi.org/10.1021/acsaelm.4c02000
Citations
2
Primary Topic
Magnetic properties of thin films
Type
article
Field-Weighted Citation Impact
2.49
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article

Spin–Orbit Torque-Assisted Detection of the Canted Magnetization Phase in a CoTb-Based Ferrimagnet

Maxim E. Stebliy, Mikhail Letushev, A. V. Davydenko, Alexander S. Samardak et al.
2 citations
ACS Applied Electronic Materials
Magnetic properties of thin films
2.49
article

Spin–Orbit Torque-Assisted Detection of the Canted Magnetization Phase in a CoTb-Based Ferrimagnet

Maxim E. Stebliy, Mikhail Letushev, A. V. Davydenko, Alexander S. Samardak, Teruo Ono, Michail A. Bazrov, A. G. Kozlov, Valerii A. Antonov, Alexey V. Ognev, Zhimba Zh. Namsaraev, Ekaterina Steblii
article en
2 citations

Abstract

Ferrimagnets have the potential to play a key role in spintronics due to their high stability, low energy consumption, and rapid magnetic state switching. These characteristics are typically observed in ferrimagnetic materials near magnetic or angular compensation states. Near the magnetic compensation point, an external field can disrupt the collinearity between the sublattices, leading to aligned magnetic projections. In this work, a violation of antiferromagnetic ordering is detected by a change in the direction of the effective field induced by spin–orbit torque, without altering the dominance type. In the studied W/Co70Tb30/Ru structure, the canted phase region is observed near room temperature under external fields of approximately 0.1 T. Using macrospin simulations and analytical derivations, a correlation is established between anisotropy, interlattice exchange interaction, and the presence of the canted phase region.

ACS Applied Electronic MaterialsVol. 7(7)
Sakhalin State University (RU), Far Eastern Federal University (RU), Kyoto University (JP), Spintronics Research Network of Japan (JP), Advanced Materials and Technologies (Slovenia) (SI), Kyoto University Institute for Chemical Research, The University of Osaka (JP)
Openalex Percentile: Top 13%
Magnetic properties of thin films
2.49
DOISourceOpenAlex
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