Atomistic spin model simulations of magnetic nanomaterials

RFL Evans, WJ Fan, P Chureemart… - Journal of Physics …, 2014 - iopscience.iop.org
Atomistic modelling of magnetic materials provides unprecedented detail about the
underlying physical processes that govern their macroscopic properties, and allows the …

FePt thin films with tilted and in-plane magnetic anisotropy: A first-principles study

J Marciniak, M Werwiński - Physical Review B, 2023 - APS
Ultrathin L 1 0 FePt films with different c-axis orientations relative to the film plane are
promising candidates for data storage materials. In this work, within the framework of density …

Theoretical perspective on the modification of the magnetocrystalline anisotropy at molecule-cobalt interfaces

A Halder, S Bhandary, DD O'Regan, S Sanvito… - Physical Review …, 2023 - APS
We study the modification of the magnetocrystalline anisotropy (MCA) of Co slabs induced
by several different conjugated molecular overlayers, ie, benzene, cyclooctatetraene …

Multiscale modeling of current-induced switching in magnetic tunnel junctions using ab initio spin-transfer torques

MOA Ellis, M Stamenova, S Sanvito - Physical Review B, 2017 - APS
There exists a significant challenge in develo** efficient magnetic tunnel junctions with
low write currents for nonvolatile memory devices. With the aim of analyzing potential …

-ordered thin films: Phase formation, morphology, and spin structure

NY Schmidt, R Mondal, A Donges, J Hintermayr, C Luo… - Physical Review B, 2020 - APS
Chemically ordered L 1 0 (Fe 100− x Cr x) Pt thin films were expitaxially grown on MgO
(001) substrates by magnetron sputter-deposition at 770∘ C. In this sample series, Fe was …

Micromagnetic simulations with periodic boundary conditions: Hard-soft nanocomposites

AL Wysocki, VP Antropov - Journal of Magnetism and Magnetic Materials, 2017 - Elsevier
We developed a micromagnetic method for modeling magnetic systems with periodic
boundary conditions along an arbitrary number of dimensions. The main feature is an …

Implementation of non-collinear spin-constrained DFT calculations in SIESTA with a fully relativistic Hamiltonian

R Cuadrado, M Pruneda, A Garcia… - Journal of Physics …, 2018 - iopscience.iop.org
An accurate and efficient general method to constrain the magnetization of individual atoms
or groups of atoms within a fully relativistic non-collinear spin density functional theory …

Room-temperature van der Waals perpendicular ferromagnet through interlayer magnetic coupling

Y Cao, X Zhang, XP Zhang, F Yan, Z Wang, W Zhu… - Physical Review …, 2022 - APS
Ferromagnetic van der Waals (vdW) crystals are promising for future spintronics because
they hold huge potential in terms of tunable chemical, mechanical, and physical properties …

Tuning interfacial domain walls in GdCo/Gd/GdCo′ spring magnets

C Blanco-Roldán, Y Choi, C Quiros, SM Valvidares… - Physical Review B, 2015 - APS
Spring magnets based on GdCo multilayers have been prepared to study the nucleation and
evolution of interfacial domain walls (iDWs) depending on layer composition and interlayer …

Influence of antisite defects and stacking faults on the magnetocrystalline anisotropy of FePt

M Wolloch, D Suess, P Mohn - Physical Review B, 2017 - APS
We present density functional theory (DFT) calculations of the magnetic anisotropy energy
(MAE) of FePt, which is of great interest for magnetic recording applications. Our data, and …