Issue 43, 2022

High-temperature magnetic skyrmions in BiCrX3 (X = Se and Te) monolayers

Abstract

Two-dimensional magnetic van der Waals materials provide a fertile platform for the design and control of topological spin textures such as skyrmions. However, despite studies reporting skyrmions in many 2D magnetic systems, those of the hosting van der Waals materials remain limited. Here, via first-principles calculations and Monte Carlo simulations, we propose BiCrX3 as a new family of materials for hosting skyrmions. Due to the large SOC of the X atom and intrinsic inversion asymmetry, an inherent large DMI occurs in all systems, enabling intriguing Néel-type skyrmions. Furthermore, upon applying a moderate magnetic field, isolated skyrmions and skyrmion lattices emerge in our systems, and are robust within a relatively wide temperature range.

Graphical abstract: High-temperature magnetic skyrmions in BiCrX3 (X = Se and Te) monolayers

Article information

Article type
Paper
Submitted
29 Jul 2022
Accepted
07 Oct 2022
First published
12 Oct 2022

Phys. Chem. Chem. Phys., 2022,24, 26477-26484

High-temperature magnetic skyrmions in BiCrX3 (X = Se and Te) monolayers

J. Pang, Z. Chen, H. Wang, M. Zhang, Y. Tang and Y. Zhang, Phys. Chem. Chem. Phys., 2022, 24, 26477 DOI: 10.1039/D2CP03476J

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