Magnetic domain walls: types, processes and applications

G Venkat, DA Allwood, TJ Hayward - Journal of Physics D …, 2023 - iopscience.iop.org
Abstract Domain walls (DWs) in magnetic nanowires are promising candidates for a variety
of applications including Boolean/unconventional logic, memories, in-memory computing as …

[HTML][HTML] Strong correlation between uniaxial magnetic anisotropic constant and in-plane tensile strain in Mn4N epitaxial films

T Hirose, T Komori, T Gushi, A Anzai, K Toko… - AIP Advances, 2020 - pubs.aip.org
Ferrimagnetic Mn 4 N is a promising candidate for current-induced domain wall motion
assisted by spin-transfer and spin–orbit torques. Mn 4 N can be doped to have …

Millimeter-sized magnetic domains in perpendicularly magnetized ferrimagnetic Mn4N thin films grown on SrTiO3

T Gushi, L Vila, O Fruchart, A Marty… - Japanese journal of …, 2018 - iopscience.iop.org
The use of epitaxial layers for domain wall-based spintronic applications is often hampered
by the presence of pinning sites. Here, we show that when depositing Mn 4 N (10 nm) …

Magnetic and magneto-transport properties of Mn4N thin films by Ni substitution and their possibility of magnetic compensation

T Komori, T Gushi, A Anzai, L Vila, JP Attané… - Journal of applied …, 2019 - pubs.aip.org
Ferrimagnets are of interest in spintronics owing to the enhancement of spin transfer and
spin–orbit torque in the vicinity of the magnetic compensation point. Here, we study the …

[HTML][HTML] Evaluation of multi-bit domain wall motion by low current density to obtain ultrafast data rate in a compensated ferrimagnetic wire

S Ranjbar, S Sumi, K Tanabe, H Awano - APL Materials, 2022 - pubs.aip.org
Architectures based on multi-bit magnetic domain walls (DWs) take advantage of the fast
speed, high density, nonvolatility, and flexible design of DWs to process and store data bits …

Domain wall dynamics in (Co/Ni) n nanowire with anisotropy energy gradient for neuromorphic computing applications

WLW Mah, D Kumar, T Jin… - Journal of Magnetism and …, 2021 - Elsevier
Artificial Intelligence (AI) has been gaining traction recently. However, they are executed on
devices with the von Neumann architecture, requiring high power input. Consequently, brain …

Deviations from bulk behavior in TbFe (Co) thin films: Interfaces contribution in the biased composition

E Haltz, R Weil, J Sampaio, A Pointillon… - Physical Review …, 2018 - APS
Ferrimagnetic TbFe or TbFeCo amorphous alloy thin films have been grown by
coevaporation in ultrahigh vacuum. They exhibit an out-of-plane magnetic anisotropy up to …

Elucidation of the mechanism for maintaining ultrafast domain wall mobility over a wide temperature range

S Ranjbar, S Kambe, S Sumi, PV Thach… - Materials …, 2022 - pubs.rsc.org
To achieve a 20 Gbps data rate using the upcoming 5G communication standard, it is crucial
to recognize a domain wall (DW) velocity (vDW) of 1200 ms− 1. We demonstrate a potential …

Generation and manipulation of domain walls using a thermal gradient in a ferrimagnetic TbCo wire

R Tolley, T Liu, Y Xu, S Le Gall, M Gottwald… - Applied Physics …, 2015 - pubs.aip.org
We demonstrate the ability to create, control the propagation, and annihilate domain walls in
25-nm thick Tb 22 Co 78 ferrimagnetic alloy wires using a temperature gradient under a …

High efficiency of the spin-orbit torques induced domain wall motion in asymmetric interfacial multilayered Tb/Co wires

D Bang, H Awano - Journal of Applied Physics, 2015 - pubs.aip.org
We investigated current-induced DW motion in asymmetric interfacial multilayered Tb/Co
wires for various thicknesses of magnetic and Pt-capping layers. It is found that the driving …