First-principles approaches to magnetoelectric multiferroics

C Xu, H Yu, J Wang, H Xiang - Annual Review of Condensed …, 2024 - annualreviews.org
Magnetoelectric multiferroics, which display both ferroelectric and magnetic orders, are
appealing because of their rich fundamental physics and promising technological …

Constrained DFT-based magnetic machine-learning potentials for magnetic alloys: a case study of Fe–Al

AS Kotykhov, K Gubaev, M Hodapp, C Tantardini… - Scientific Reports, 2023 - nature.com
We propose a machine-learning interatomic potential for multi-component magnetic
materials. In this potential we consider magnetic moments as degrees of freedom (features) …

FitSNAP: Atomistic machine learning with LAMMPS

A Rohskopf, C Sievers, N Lubbers… - Journal of Open …, 2023 - joss.theoj.org
Chemical and physical properties of complex materials emerge from the collective motions
of the constituent atoms. These motions are in turn determined by a variety of interatomic …

Investigation of chemical short range order strengthening in a model Fe–12Ni–18Cr (at.%) stainless steel alloy: A modeling and experimental study

K Chu, E Antillon, C Stewart, K Knipling, P Callahan… - Acta Materialia, 2023 - Elsevier
Solid solution strengthening remains the basis for many industrial alloys, yet chemical short-
range order (CSRO) can also play a significant role in the strengthening of alloys with …

Non-collinear magnetic atomic cluster expansion for iron

M Rinaldi, M Mrovec, A Bochkarev… - npj Computational …, 2024 - nature.com
Abstract The Atomic Cluster Expansion (ACE) provides a formally complete basis for the
local atomic environment. ACE is not limited to representing energies as a function of atomic …

Spectral neighbor representation for vector fields: Machine learning potentials including spin

M Domina, M Cobelli, S Sanvito - Physical Review B, 2022 - APS
We introduce a translational and rotational invariant local representation for vector fields,
which can be employed in the construction of machine learning energy models of solids and …

Constrained density functional theory: A potential-based self-consistency approach

X Gonze, B Seddon, JA Elliott… - Journal of Chemical …, 2022 - ACS Publications
Chemical reactions, charge transfer reactions, and magnetic materials are notoriously
difficult to describe within Kohn–Sham density functional theory, which is strictly a ground …

AIMNet2: a neural network potential to meet your neutral, charged, organic, and elemental-organic needs

D Anstine, R Zubatyuk, O Isayev - 2024 - chemrxiv.org
Machine learned interatomic potentials (MLIPs) are reshaping computational chemistry
practices because of their ability to drastically exceed the accuracy-length/time scale …

Multiscale machine-learning interatomic potentials for ferromagnetic and liquid iron

J Byggmästar, G Nikoulis, A Fellman… - Journal of Physics …, 2022 - iopscience.iop.org
A large and increasing number of different types of interatomic potentials exist, either based
on parametrised analytical functions or machine learning. The choice of potential to be used …

Computational study of elastic waves generated by ultrafast demagnetization in fcc Ni

I Korniienko, P Nieves, A Fraile, R Iglesias… - Physical Review …, 2024 - APS
Picosecond ultrasonics is a fast growing and advanced research field with broad application
to the imaging and characterization of nanostructured materials as well as at a fundamental …