Domain wall memory: Physics, materials, and devices

D Kumar, T Jin, R Sbiaa, M Kläui, S Bedanta, S Fukami… - Physics Reports, 2022 - Elsevier
Digital data, generated by corporate and individual users, is growing day by day due to a
vast range of digital applications. Magnetic hard disk drives (HDDs) currently fulfill the …

[HTML][HTML] Consequences of the Dzyaloshinskii-Moriya interaction

RE Camley, KL Livesey - Surface Science Reports, 2023 - Elsevier
Recently there has been an explosion of research related to the Dzyaloshinskii-Moriya
interaction (DMI) in magnetic and multiferroic materials. This article reviews the key themes …

Helium ions put magnetic skyrmions on the track

R Juge, K Bairagi, KG Rana, J Vogel, M Sall… - Nano Letters, 2021 - ACS Publications
Magnetic skyrmions are deemed to be the forerunners of novel spintronic memory and logic
devices. While their observation and their current-driven motion at room temperature have …

[HTML][HTML] Skyrmionics—Computing and memory technologies based on topological excitations in magnets

H Vakili, JW Xu, W Zhou, MN Sakib… - Journal of Applied …, 2021 - pubs.aip.org
Solitonic magnetic excitations such as domain walls and, specifically, skyrmionics enable
the possibility of compact, high density, ultrafast, all-electronic, low-energy devices, which is …

Measuring interfacial Dzyaloshinskii-Moriya interaction in ultrathin magnetic films

M Kuepferling, A Casiraghi, G Soares, G Durin… - Reviews of Modern …, 2023 - APS
The Dzyaloshinskii-Moriya interaction (DMI), one of the origins of chiral magnetism, is
currently attracting considerable attention in the research community focusing on applied …

Low‐Power and Field‐Free Perpendicular Magnetic Memory Driven by Topological Insulators

B Cui, A Chen, X Zhang, B Fang, Z Zeng… - Advanced …, 2023 - Wiley Online Library
Giant spin–orbit torque (SOT) from topological insulators (TIs) has great potential for low‐
power SOT‐driven magnetic random‐access memory (SOT‐MRAM). In this work, a …

[HTML][HTML] Individual skyrmion manipulation by local magnetic field gradients

A Casiraghi, H Corte-León, M Vafaee… - Communications …, 2019 - nature.com
Magnetic skyrmions are topologically protected spin textures, stabilised in systems with
strong Dzyaloshinskii-Moriya interaction (DMI). Several studies have shown that electrical …

[HTML][HTML] Gate-controlled skyrmion and domain wall chirality

CE Fillion, J Fischer, R Kumar, A Fassatoui… - Nature …, 2022 - nature.com
Magnetic skyrmions are localized chiral spin textures, which offer great promise to store and
process information at the nanoscale. In the presence of asymmetric exchange interactions …

Nonvolatile ionic modification of the Dzyaloshinskii-Moriya interaction

L Herrera Diez, YT Liu, DA Gilbert, M Belmeguenai… - Physical Review …, 2019 - APS
The possibility of tuning the Dzyaloshinskii-Moriya interaction (DMI) by electric (E)-field
gating in ultrathin magnetic materials has opened up new perspectives in terms of …

Local control of magnetic interface effects in chiral multilayers using ion irradiation

MCH De Jong, MJ Meijer, J Lucassen, J Van Liempt… - Physical Review B, 2022 - APS
In this work we investigate local tuning of the iDMI and perpendicular magnetic anisotropy
(PMA) using focused Ga+ ion beam irradiation, in an Ir| Co| Pt multilayer system. We show …