Efficient room-temperature magnetization direction detection by means of the enhanced anomalous Nernst effect in a Weyl ferromagnet

L Leiva, S Granville, Y Zhang, S Dushenko… - Physical Review …, 2022 - APS
Spintronic phenomena exhibiting a longitudinal resistance change under magnetization
reversal are a quite novel feature in nanoscience, which has been intensively studied in …

Anomalous sign inversion of spin-orbit torque in ferromagnetic/nonmagnetic bilayer systems due to self-induced spin-orbit torque

M Aoki, E Shigematsu, R Ohshima, T Shinjo… - Physical Review B, 2022 - APS
Self-induced spin-orbit torques (SI-SOTs) in ferromagnetic (FM) layers have been
overlooked when estimating the spin Hall angle (SHA) of adjacent nonmagnetic (NM) layers …

[HTML][HTML] Field-free spin-orbit-torque switching of a single ferromagnetic layer with fourfold in-plane magnetic anisotropy

K Han, KJ Lee, S Lee, X Liu, M Dobrowolska… - APL Materials, 2023 - pubs.aip.org
We present the observation of field-free spin-orbit-torque (SOT) switching of magnetization
in a ferromagnetic semiconductor (Ga, Mn) As film with four-fold in-plane magnetic …

Current-induced out-of-plane torques in a single permalloy layer with lateral structural asymmetry

M Aoki, E Shigematsu, R Ohshima, T Shinjo… - Physical Review B, 2022 - APS
We investigated current-induced torques in a single permalloy layer connected to
nonmagnetic electrodes with lateral inversion asymmetry by spin-torque ferromagnetic …

Spin rectification effects in ferromagnetic metal microstrips induced by anisotropic magnetoresistance, planar Hall effect, and anomalous Hall effect

K He, J Cheng, M Yang, L Sun, W Sun, S Bedanta… - Physical Review B, 2022 - APS
Spin rectification effect (SRE) is an important electrical detection tool employed to probe
magnetic dynamics and spin-orbit torques, and it is also closely related to spin pumping …

Coexistence of spin-orbit torque and unidirectional magnetoresistance effect induced by spin polarization with spin rotation symmetry in Co/Cu/Co structures

S Sun, B Wang, W Li, X Zeng, Y Guo, B Han, T Wang… - Physical Review B, 2022 - APS
The conventional spin-orbit torque (SOT) and magnetoresistance effect observed in normal-
metal (NM)/ferromagnet (FM) bilayers originate from the interaction between magnetic …

Coexistence of low-frequency spin-torque ferromagnetic resonance and unidirectional spin Hall magnetoresistance

M Aoki, E Shigematsu, R Ohshima, T Shinjo… - Physical Review B, 2021 - APS
We investigate the DC voltage under an applied microwave current for platinum (Pt)/cobalt
(Co), tantalum (Ta)/Co, and tungsten (W)/Co bilayers, where the microwave-induced …

Microwave field vector detector based on the nonresonant spin rectification effect

P Luo, B Peng, W Zhang, W Zhang - arXiv preprint arXiv:2407.17979, 2024 - arxiv.org
Normal microwave (MW) electromagnetic field detectors convert microwave power into
voltages, which results in the loss of the vector characteristics of the microwave field. In this …

Characterization of Spin-Orbit Torque Efficiency in the RF Regime for MRAM Applications

TY Chen, CW Peng, WB Liao… - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
Magnetization in a magnetic heterostructure is known to process with radio frequency (rf)
excitations. Such high frequency magnetic dynamics are often employed to characterize key …

[HTML][HTML] Enhancement of low-frequency spin-orbit-torque ferromagnetic resonance signals by frequency tuning observed in Pt/Py, Pt/Co, and Pt/Fe bilayers

M Aoki, E Shigematsu, M Matsushima, R Ohshima… - AIP Advances, 2021 - pubs.aip.org
DC voltages via spin rectification effect (SRE), V DC, under microwave irradiation are
investigated for three platinum (Pt)/ferromagnetic metal (FM) bilayer structures: Pt/Ni 80 Fe …