Fieldlike and antidamping spin-orbit torques in as-grown and annealed Ta/CoFeB/MgO layers

CO Avci, K Garello, C Nistor, S Godey, B Ballesteros… - Physical Review B, 2014 - APS
We present a comprehensive study of the current-induced spin-orbit torques in
perpendicularly magnetized Ta/CoFeB/MgO layers. The samples were annealed in steps up …

Role of B diffusion in the interfacial Dzyaloshinskii-Moriya interaction in nanowires

R Lo Conte, E Martinez, A Hrabec, A Lamperti… - Physical Review B, 2015 - APS
We report on current-induced domain wall motion in Ta/C o 20 F e 60 B 20/MgO nanowires.
Domain walls are observed to move against the electron flow when no magnetic field is …

[HTML][HTML] Low depinning fields in Ta-CoFeB-MgO ultrathin films with perpendicular magnetic anisotropy

C Burrowes, N Vernier, JP Adam… - Applied Physics …, 2013 - pubs.aip.org
We have studied the domain-wall dynamics in Ta-CoFeB-MgO ultra-thin films with
perpendicular magnetic anisotropy for various Co and Fe concentrations in both the …

Improvement of the interfacial Dzyaloshinskii-Moriya interaction by introducing a Ta buffer layer

NH Kim, DS Han, J Jung, J Cho, JS Kim… - Applied Physics …, 2015 - pubs.aip.org
We report systematic measurements of the interfacial Dzyaloshinskii-Moriya interaction
(iDMI) by employing Brillouin light scattering in Pt/Co/AlO x and Ta/Pt/Co/AlO x structures. By …

Manipulating density of magnetic skyrmions via multilayer repetition and thermal annealing

X Wang, A Cao, S Li, J Tang, A Du, H Cheng, Y Sun… - Physical Review B, 2021 - APS
The magnetic skyrmion, a tiny magnetic texture that holds promise as the next-generation
information carrier, has been widely studied in recent years. A fine tunability of skyrmion …

Universal domain wall dynamics under electric field in Ta/CoFeB/MgO devices with perpendicular anisotropy

W Lin, N Vernier, G Agnus, K Garcia, B Ocker… - Nature …, 2016 - nature.com
Electric field effects in ferromagnetic metal/dielectric structures provide a new route to control
domain wall dynamics with low-power dissipation. However, electric field effects on domain …

Irradiation-induced tailoring of the magnetism of CoFeB/MgO ultrathin films

T Devolder, I Barisic, S Eimer, K Garcia… - Journal of applied …, 2013 - pubs.aip.org
We study perpendicularly magnetized Ta/CoFeB/MgO films and investigate whether their
irradiation with light ions can improve their properties by inducing a different crystallization …

Study of the relationship between magnetic anisotropy and composition ratio of Fe oxide to Fe at CoFeB/MgO film interface

R Guo, X Xu, Y Ma, G Han, L Wang, J Teng… - Applied Surface Science, 2022 - Elsevier
Abstract Ta (5)/CoFeB (1)/MgO (2)/Ta (2)(in nm) multilayers were deposited on silicon
substrates by magnetron sputtering, and the MgO layer was prepared by two methods at the …

ALD growth of ultra-thin Co layers on the topological insulator Sb2Te3

E Longo, R Mantovan, R Cecchini, MD Overbeek… - Nano Research, 2020 - Springer
Taking the full advantage of the conformal growth characterizing atomic layer deposition
(ALD), the possibility to grow Co thin films, with thickness from several tens down to few …

Role of interface intermixing on perpendicular magnetic anisotropy of cobalt-iron-boron alloy

A Mahendra, PP Murmu, SK Acharya, A Islam… - Applied Physics A, 2023 - Springer
Perpendicular magnetic anisotropy (PMA) is crucial in magnetic tunnel junctions (MTJs) for
next-generation devices such as non-volatile memory devices–magnetic random-access …