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Related papers: XDWM: A 2D Domain Wall Memory

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Shifting electrically a magnetic domain wall (DW) by the spin transfer mechanism is one of the future ways foreseen for the switching of spintronic memories or registers. The classical geometries where the current is injected in the plane…

AI chips commonly employ SRAM memory as buffers for their reliability and speed, which contribute to high performance. However, SRAM is expensive and demands significant area and energy consumption. Previous studies have explored replacing…

Hardware Architecture · Computer Science 2023-12-07 Duy-Thanh Nguyen , Abhiroop Bhattacharjee , Abhishek Moitra , Priyadarshini Panda

Spintronic-based neuromorphic hardware offers high-density and rapid data processing at nanoscale lengths by leveraging magnetic configurations like skyrmion and domain walls. Here, we present the maximal hardware implementation of a…

Mesoscale and Nanoscale Physics · Physics 2024-08-30 Saumya Gupta , Venkatesh Vadde , Bhaskaran Muralidharan , Abhishek Sharma

Using focused electron-beam-induced deposition (FEBID), we fabricate vertical, platinum-coated cobalt nanowires with a controlled three-dimensional structure. The latter is engineered to feature bends along the height: these are used as…

Domain walls are the transition regions between two magnetic domains. These objects have been very relevant during the last decade, not only due to their intrinsic interest in the development of novel spintronics devices but also because of…

Mesoscale and Nanoscale Physics · Physics 2021-05-19 Oscar Alejos , Víctor Raposo , Eduardo Martínez

Domain wall dynamics in a magnetoelectric antiferromagnet is analyzed, and its implications for magnetoelectric memory applications are discussed. Cr$_2$O$_3$ is used in the estimates of the materials parameters. It is found that the domain…

Materials Science · Physics 2016-04-05 K. D. Belashchenko , O. Tchernyshyov , Alexey A. Kovalev , O. A. Tretiakov

The advance of magnetic nanotechnologies relies on detailed understanding of nanoscale magnetic mechanisms in materials. Magnetic domain memory (MDM), i.e., the tendency for magnetic domains to repeat the same pattern during field-cycling,…

Mesoscale and Nanoscale Physics · Physics 2020-07-10 Karine Chesnel , Alex Safsten , Matthew Rytting , Eric E. Fullerton

The Von-Neumann bottleneck is a clear limitation for data-intensive applications, bringing in-memory computing (IMC) solutions to the fore. Since large data sets are usually stored in nonvolatile memory (NVM), various solutions have been…

Applied Physics · Physics 2020-12-02 M. Ezzadeen , D. Bosch , B. Giraud , S. Barraud , J. -P. Noel , D. Lattard , J. Lacord , J. -M. Portal , F. Andrieu

While containers efficiently implement the idea of operating-system-level application virtualization, they are often insufficient to increase the server utilization to a desirable level. The reason is that in practice many containerized…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-06-26 Jan S. Rellermeyer , Maher Amer , Richard Smutzer , Karthick Rajamani

The discovery of magnetism in two-dimensional (2D) van der Waals (vdW) materials has flourished a new endeavour of fundamental problems in magnetism as well as potential applications in computing, sensing and storage technologies. Of…

Mesoscale and Nanoscale Physics · Physics 2020-11-04 Ignacio M. Alliati , Richard F. L. Evans , Kostya S. Novoselov , Elton J. G. Santos

The current mediated domain-wall dynamics in a thin ferromagnetic wire is investigated. We derive the effective equations of motion of the domain wall. They are used to study the possibility to optimize the power supplied by electric…

Mesoscale and Nanoscale Physics · Physics 2011-03-25 Oleg A. Tretiakov , Y. Liu , Ar. Abanov

We demonstrate magnetic switching between two $360^\circ$ domain wall vortex states in cobalt nanorings, which are candidate magnetic states for robust and low power MRAM devices. These $360^\circ$ domain wall (DW) or "twisted onion" states…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Nihar R. Pradhan , Abigail Licht , Yihan Li , Yineng Sun , Mark T. Tuominen , Katherine E. Aidala

Nanowire networks (NWNs) represent a unique hardware platform for neuromorphic information processing. In addition to exhibiting synapse-like resistive switching memory at their cross-point junctions, their self-assembly confers a neural…

Disordered Systems and Neural Networks · Physics 2021-06-24 Ruomin Zhu , Joel Hochstetter , Alon Loeffler , Adrian Diaz-Alvarez , Adam Stieg , James Gimzewski , Tomonobu Nakayama , Zdenka Kuncic

We present an analytical calculation of the velocity of a single 180 degree domain wall in a magnetic structure with reduced thickness and/or lateral dimension under the combined action of an external applied magnetic field and an…

Materials Science · Physics 2018-07-26 A. Mougin , M. Cormier , J. P. Adam , P. J. Metaxas , J. Ferre

Recently, there has been substantial interest in realizations of skyrmions, in particular in 2D systems due to increased stability resulting from reduced dimensionality. A stable skyrmion, representing the smallest realizable magnetic…

Mesoscale and Nanoscale Physics · Physics 2016-03-02 Utkan Güngördü , Rabindra Nepal , Oleg A. Tretiakov , Kirill Belashchenko , Alexey A. Kovalev

Byte-addressable non-volatile memory (NVM) features high density, DRAM comparable performance, and persistence. These characteristics position NVM as a promising new tier in the memory hierarchy. Nevertheless, NVM has asymmetric read and…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-10-18 Ivy B. Peng , Maya B. Gokhale , Eric W. Green

Fast domain wall motion in systems with perpendicular magnetization is necessary for many novel applications such as the racetrack memory, domain wall logic devices and artificial synapses. The domain wall speed has been greatly improved…

Mesoscale and Nanoscale Physics · Physics 2023-03-16 Jingwei Long , Yumeng Yang , Shuyuan Shi , Xuanyao Fong , Gengchiau Liang , Zhifeng Zhu

Spintronic devices based on domain wall (DW) motion through ferromagnetic nanowire tracks have received great interest as components of neuromorphic information processing systems. Previous proposals for spintronic artificial neurons…

Density-functional theory (DFT) has become the workhorse of modern computational chemistry, with dispersion corrections such as the exchange-hole dipole moment (XDM) model playing a key role in high-accuracy modelling of large-scale…

Chemical Physics · Physics 2025-06-04 Kyle R Bryenton , Erin R Johnson

Dual-layer resistive switching devices with horizontal W electrodes, vertical Pd electrodes and WOx switching layer formed at the sidewall of the horizontal electrodes have been fabricated and characterized. The devices exhibit…

Other Condensed Matter · Physics 2014-04-07 Siddharth Gaba , Patrick Sheridan , Chao Du , Wei Lu
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