Onion-like Fe 3 O 4/MgO/CoFe 2 O 4 magnetic nanoparticles: new ways to control magnetic coupling between soft and hard magnetic phases

JM Nuñez, S Hettler, E Lima Jr, GF Goya… - Journal of Materials …, 2022 - pubs.rsc.org
The control of magnetization inversion dynamics is one of the main challenges driving the
design of new nanostructured magnetic materials for magnetoelectronic applications …

Field‐Free Spin‐Orbit Torque Switching in Perpendicularly Magnetized Ta/CoFeB/MgO/NiO/Ta with a Canted Antiferromagnetic Insulator NiO Interlayer

Z Zhang, Z Li, Y Chen, F Zhu, Y Yan, Y Li… - Advanced Functional …, 2024 - Wiley Online Library
In this study, deterministic current‐induced spin‐orbit torque (SOT) magnetization switching
is achieved, particularly in systems with perpendicular magnetic anisotropy (PMA), without …

Annealing effects on the magnetic and magnetotransport properties of iron oxide nanoparticles self-assemblies

F Fabris, E Lima, JM Nuñez, HE Troiani… - …, 2023 - iopscience.iop.org
In magnetic tunnel junctions based on iron oxide nanoparticles the disorder and the
oxidation state of the surface spin as well as the nanoparticles functionalization play a …

Spin Splitting in Altermagnetic RuO Enables Field-free Spin-Orbit Torque Switching via Dominant Out-of-Plane Spin Polarization

Z Li, Z Zhang, X Lu, Y Xu - arXiv preprint arXiv:2407.07447, 2024 - arxiv.org
Researchers have recently identified a novel class of magnetism, termed" altermagnetism",
which exhibits characteristics of both ferromagnetism and antiferromagnetism. Here, we …

The role of a tantalum interlayer in enhancing the properties of Fe3O4 thin films

HD Ngo, VDT Truong, HP Pham… - Beilstein Journal of …, 2024 - beilstein-journals.org
High spin polarization and low resistivity of Fe 3 O 4 at room temperature have been an
appealing topic in spintronics with various promising applications. High-quality Fe 3 O 4 thin …

[HTML][HTML] Enhanced orbital magnetic moment of Co film grown on Fe3O4 (001)

Z Zhang, X Lu, Z Li, Z Li, Y Yan, Y Chen, J Du, F Zhu… - AIP Advances, 2024 - pubs.aip.org
We investigate the magnetic and electronic properties of Co films on Fe 3 O 4 (001)
achieved through epitaxial growth using magnetron sputtering. X-ray magnetic circularly …

A reversal of positive to negative magnetoresistance in Fe3O4-based heterostructures at room temperature by annealing

H Song, Y Zhang, L Sun, M Tian, G Li, D Ban… - Journal of Alloys and …, 2023 - Elsevier
In this paper, a transition of magnetoresistance (MR) from positive to negative was obtained
at room temperature by vacuum annealing of Fe 3 O 4 (128 nm)/Si (with natural SiO 2) …

Tuning surface spin polarization of CoFeB by boron diffusion detected by spin resolved photoemission

Q Liu, X Lu, C Fu, J Chen, Z Zhang, Y Gong… - Chinese Physics …, 2023 - iopscience.iop.org
Research of spin polarization of magnetic CoFeB thin films is of practical importance in
spintronic applications. Here, using a direct characterization technique of spin-resolved …