Dzyaloshinsky–Moriya interaction (DMI)-induced magnetic skyrmion materials

A magnetic skyrmion is a particle-like spin swirling object with a nontrivial topology that holds great promise for next-generation information carriers in high-performance spintronic devices. It was discovered in a chiral magnet, MnSi with B20 structure, in 2009 and later confirmed as a common feat...

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Bibliographic Details
Published in:Rare metals 2021-11, Vol.40 (11), p.3076-3090
Main Authors: Wei, Wen-Sen, He, Zhi-Dong, Qu, Zhe, Du, Hai-Feng
Format: Article
Language:English
Subjects:
Biomaterials
Chemistry and Materials Science
Energy
Hypothetical particles
Magnetic properties
Magnets
Materials Engineering
Materials Science
Metallic Materials
Nanoscale Science and Technology
Particle spin
Particle theory
Physical Chemistry
Review
Swirling
Topology
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Summary:A magnetic skyrmion is a particle-like spin swirling object with a nontrivial topology that holds great promise for next-generation information carriers in high-performance spintronic devices. It was discovered in a chiral magnet, MnSi with B20 structure, in 2009 and later confirmed as a common feature of magnetic compounds with Dzyaloshinsky–Moriya interaction (DMI). In this work, we provide fundamental insight into the magnetic properties of skyrmion-hosting materials originating from DMI. The relationship between the point groups of the materials and DMI is introduced; then, the common features of magnetic skyrmions experimentally verified in the magnetization and magnetotransport measurements are highlighted. Finally, other particle-like magnetic configurations in chiral magnets and the crossover with a superconductor are discussed. Graphic Abstract
ISSN:1001-0521
1867-7185
DOI:10.1007/s12598-021-01746-9