Quantitative theory of magnetic interactions in solids

A Szilva, Y Kvashnin, EA Stepanov, L Nordström… - Reviews of Modern …, 2023 - APS
This review addresses the method of explicit calculations of interatomic exchange
interactions of magnetic materials. This involves exchange mechanisms normally referred to …

Spin-transfer torque switched magnetic tunnel junction for memory technologies

JZ Sun - Journal of Magnetism and Magnetic Materials, 2022 - Elsevier
A spin-transfer torque switched magnetic tunnel junction (MTJ) is a memory element in
modern magnetic random access memory (MRAM), a CMOS-integrated technology that is …

Laser-induced topological spin switching in a 2D van der Waals magnet

M Khela, M Da̧browski, S Khan, PS Keatley… - Nature …, 2023 - nature.com
Abstract Two-dimensional (2D) van der Waals (vdW) magnets represent one of the most
promising horizons for energy-efficient spintronic applications because their broad range of …

Microscopic origin of Heisenberg and non-Heisenberg exchange interactions in ferromagnetic bcc Fe

YO Kvashnin, R Cardias, A Szilva, I Di Marco… - Physical review …, 2016 - APS
By means of first principles calculations, we investigate the nature of exchange coupling in
ferromagnetic bcc Fe on a microscopic level. Analyzing the basic electronic structure reveals …

Heisenberg and anisotropic exchange interactions in magnetic materials with correlated electronic structure and significant spin-orbit coupling

V Borisov, YO Kvashnin, N Ntallis, D Thonig… - Physical Review B, 2021 - APS
The Dzyaloshinskii-Moriya (DM) interaction, as well as symmetric anisotropic exchange, are
important ingredients for stabilizing topologically nontrivial magnetic textures, such as, eg …

[HTML][HTML] Magnon and phonon dispersion, lifetime, and thermal conductivity of iron from spin-lattice dynamics simulations

X Wu, Z Liu, T Luo - Journal of Applied Physics, 2018 - pubs.aip.org
In recent years, the fundamental physics of spin-lattice (eg, magnon-phonon) interaction has
attracted significant experimental and theoretical interests given its potential paradigm …

The Bethe-Slater curve revisited; new insights from electronic structure theory

R Cardias, A Szilva, A Bergman, ID Marco… - Scientific reports, 2017 - nature.com
Abstract The Bethe-Slater (BS) curve describes the relation between the exchange coupling
and interatomic distance. Based on a simple argument of orbital overlaps, it successfully …

Plane wave implementation of the magnetic force theorem for magnetic exchange constants: Application to bulk Fe, Co and Ni

FL Durhuus, T Skovhus, T Olsen - Journal of Physics: Condensed …, 2023 - iopscience.iop.org
We present a plane wave implementation of the magnetic force theorem, which provides a
first principles framework for extracting exchange constants parameterizing a classical …

Influence of nonlocal damping on magnon properties of ferromagnets

Z Lu, IP Miranda, S Streib, M Pereiro, E Sjöqvist… - Physical Review B, 2023 - APS
We study the influence of nonlocal damping on the magnon properties of Fe, Co, Ni, and Fe
1− x Co x (x= 30%, 50%) alloys. The Gilbert damping parameter is typically considered as a …

Efficient parameterisation of non-collinear energy landscapes in itinerant magnets

A Jacobsson, G Johansson, OI Gorbatov, M Ležaić… - Scientific reports, 2022 - nature.com
Magnetic exchange interactions determine the magnetic groundstate, as well as magnetic
excitations of materials and are thus essential to the emerging and fast evolving fields of …