Spintronic devices for high-density memory and neuromorphic computing–A review

BJ Chen, M Zeng, KH Khoo, D Das, X Fong, S Fukami… - Materials Today, 2023 - Elsevier
Spintronics is a growing research field that focuses on exploring materials and devices that
take advantage of the electron's “spin” to go beyond charge based devices. The most …

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 …

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 …

Skyrmions Under Control—FIB Irradiation as a Versatile Tool for Skyrmion Circuits

V Ahrens, C Kiesselbach, L Gnoli, D Giuliano… - Advanced …, 2023 - Wiley Online Library
Magnetic data storage and processing offer certain advances over conventional
technologies, amongst which nonvolatility and low power operation are the most …

Multistate magnetic domain wall devices for neuromorphic computing

R Sbiaa - physica status solidi (RRL)–Rapid Research Letters, 2021 - Wiley Online Library
In recent years, neuromorphic computing has been intensively investigated, to take over the
conventional or von Neumann scheme. Herein, the advantages of memristors as neurons …

[HTML][HTML] Tuning interfacial Dzyaloshinskii-Moriya interactions in thin amorphous ferrimagnetic alloys

Y Quessab, JW Xu, CT Ma, W Zhou, GA Riley… - Scientific Reports, 2020 - nature.com
Skyrmions can be stabilized in magnetic systems with broken inversion symmetry and chiral
interactions, such as Dzyaloshinskii-Moriya interactions (DMI). Further, compensation of …

Tailoring of magnetic anisotropy by ion irradiation for magnetic tunnel junction sensors

A Mahendra, P Gupta, S Granville, J Kennedy - Journal of Alloys and …, 2022 - Elsevier
Abstract Magnetic Tunnel Junctions (MTJ) are employed in a range of technologies such as
data storage, sensing, and so on due to their compact nature and high field sensitivity. In …

Revealing Nanoscale Disorder in /--/ Ultrathin Films Using Domain-Wall Motion

JW Van der Jagt, V Jeudy, A Thiaville, M Sall… - Physical Review …, 2022 - APS
Disorder in ultrathin magnetic films can significantly hinder domain-wall motion. One of the
main issues on the path toward efficient domain-wall-based devices remains the …

Local manipulation of skyrmion nucleation in microscale areas of a thin film with nitrogen-ion implantation

Y Zhao, J Wang, L Xu, P Yu, M Hou… - … Applied Materials & …, 2023 - ACS Publications
Precise manipulation of skyrmion nucleation in microscale or nanoscale areas of thin films is
a critical issue in developing high-efficient skyrmionic memories and logic devices …

[HTML][HTML] Improved spin–orbit torque induced magnetization switching efficiency by helium ion irradiation

S An, E Baek, JA Kim, KS Lee, CY You - Scientific reports, 2022 - nature.com
Increasing the efficiency of spin–orbit torque (SOT) is of great interest in spintronics devices
because of its application to the non-volatile magnetic random access memory and in-logic …