Proceedings of MATSUS23 & Sustainable Technology Forum València (STECH23) (MATSUS23)
DOI: https://doi.org/10.29363/nanoge.matsus.2023.193
Publication date: 22nd December 2022
Two-dimensional magnetic materials —being the true limit of miniaturization—provide extensive control over theirs structural and magnetic properties and open prodigious opportunities in spintronics and magnonics [1,2]. Thus, the need for theoretical modelling of the large system at the atomic scale arises. Taking the robust and air-stable layered A-type antiferromagnet CrSBr [3] with high Curie temperature [4], which exhibits highly anisotropic electronic transport [5] and magnetic [6,7] properties as an example, we demonstrate an efficient computational approach for modelling of thermodynamic properties and spin dynamics under applied static strain. Starting from the full spin Hamiltonian we evince high sensibility of the critical temperature to the applied strain (40K increase at 5% strain) in the framework of renormalized spin wave theory. By the means of dynamic simulation, we display that the magnetic monolayer exhibit pronounced anisotropy of magnon propagation velocity with respect to the applied strain direction. Thus, such an anisotropic behavior makes this system a promising platform to study magnons in 2D materials.
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