Magnetism and Spintronics at the Nanoscale

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanoelectronics, Nanosensors and Devices".

Deadline for manuscript submissions: closed (20 December 2024) | Viewed by 1582

Special Issue Editor


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Guest Editor
College of Sciences, Northeastern University, Shenyang, China
Interests: micromagnetics and spintronics; antiferromagnetic oscillations; skyrmion topological states; magnetic vortex structures; spin-transfer torque effects; spin valves; mechanisms and optimized design of tunneling magnetoresistive storage materials and devices

Special Issue Information

Dear Colleagues,

The “Magnetism and Spintronics at the Nanoscale” Special Issue focuses on cutting-edge research at the forefront of magnetism and spintronics at the nanoscale. As nanotechnology progresses, these fields offer promising avenues for efficient data storage and computation, crucial for advancing information technology.

This topic collection aims to gather the latest advancements in the intersection of magnetism and spintronics at the nanoscale. This rapidly evolving field offers profound implications for energy-efficient information storage, processing, and transmission. This Special Issue will cover both theoretical and experimental studies exploring the unique properties and phenomena of nanoscale magnetic materials, spintronic devices, and their applications.

In this topic collection, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following: nanospintronics to magnetic nanostructures, spin–orbit torques, spin waves, and magnetic phase transitions.

We look forward to receiving your contributions.

Prof. Dr. Yan Liu
Guest Editor

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Keywords

  • magnetism
  • spintronics
  • nanoscale
  • magnetic nanostructures
  • spin–orbit torques
  • spin waves
  • magnetic phase transitions
  • antiferromagntic spintronics

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Published Papers (1 paper)

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Research

11 pages, 5820 KiB  
Article
Enhancing the Thermal Stability of Skyrmion in Magnetic Nanowires for Nanoscale Data Storage
by Mohammed Al Bahri, Mohammed Al Hinaai, Rayya Al Balushi and Salim Al-Kamiyani
Nanomaterials 2024, 14(21), 1763; https://doi.org/10.3390/nano14211763 - 3 Nov 2024
Cited by 1 | Viewed by 1302
Abstract
Magnetic skyrmion random switching and structural stability are critical limitations for storage data applications. Enhancing skyrmions’ magnetic properties could improve their thermal structural stability. Hence, micromagnetic calculation was carried out to explore the thermal nucleation and stability of skyrmions in magnetic nanodevices. Different [...] Read more.
Magnetic skyrmion random switching and structural stability are critical limitations for storage data applications. Enhancing skyrmions’ magnetic properties could improve their thermal structural stability. Hence, micromagnetic calculation was carried out to explore the thermal nucleation and stability of skyrmions in magnetic nanodevices. Different magnetic properties such as uniaxial magnetic anisotropy energy (Ku), saturation magnetization (Ms) and Dzyaloshinskii—Moriya interaction (DMI) were used to assess the thermal stability of skyrmions in magnetic nanowires. For some values of Ms and Ku, the results verified that the skyrmion structure is stable at temperatures above 800 K, which is higher than room temperature. Additionally, manipulating the nanowire geometry was found to have a substantial effect on the thermal structural stability of the skyrmion in storage nanodevices. Increasing the nanowire dimensions, such as length or width, enhanced skyrmions’ structural stability against temperature fluctuations in nanodevices. Furthermore, the random nucleation of the skyrmions due to the device temperature was examined. It was shown that random skyrmion nucleation occurs at temperature values greater than 700 K. These findings make skyrmion devices suitable for storage applications. Full article
(This article belongs to the Special Issue Magnetism and Spintronics at the Nanoscale)
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