Magnetic Moment Tensor Potentials for collinear spin-polarized materials reproduce different magnetic states of bcc Fe

I Novikov, B Grabowski, F Körmann… - npj Computational …, 2022 - nature.com
We present the magnetic Moment Tensor Potentials (mMTPs), a class of machine-learning
interatomic potentials, accurately reproducing both vibrational and magnetic degrees of …

[HTML][HTML] Multiscale modelling for fusion and fission materials: The M4F project

L Malerba, MJ Caturla, E Gaganidze, C Kaden… - Nuclear materials and …, 2021 - Elsevier
The M4F project brings together the fusion and fission materials communities working on the
prediction of radiation damage production and evolution and their effects on the mechanical …

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) …

Angular-dependent interatomic potential for large-scale atomistic simulation of iron: Development and comprehensive comparison with existing interatomic models

S Starikov, D Smirnova, T Pradhan, Y Lysogorskiy… - Physical Review …, 2021 - APS
The development of classical interatomic potential for iron is a quite demanding task with a
long history background. A new interatomic potential for simulation of iron was created with …

Tetragonal dipole dominated Zener relaxation in BCC-structured Fe-17at.% Ga single crystals

M Sun, W Jiang, Y Ke, B Ge, X Wang, Q Fang - Acta Materialia, 2023 - Elsevier
The stress-induced reorientation of the low-symmetry defects due to substitution atom pairs
can give rise to an internal friction peak (Zener relaxation) and the first-nearest-neighbor …

Decoupling atomic diffusion degeneracy in L12 intermetallics

H Luo, W Liu, C Liang - Materials Research Letters, 2024 - Taylor & Francis
In this work, a degenerate diffusion state is identified for common L12 intermetallics in well-
defined five-frequency model (FFM) and anti-site bridge model (ASB). The relative energy …

Magnetochemical effects on phase stability and vacancy formation in fcc fe-ni alloys

K Li, CC Fu, M Nastar, F Soisson, MY Lavrentiev - Physical Review B, 2022 - APS
We investigate phase stability and vacancy formation in fcc Fe-Ni alloys over a broad
composition-temperature range, via a density functional theory parametrized effective …

Atomic diffusion in bcc Fe–Mn alloys: Theoretical analysis and experimental measurements across the Curie temperature

V Kulitckii, A Schneider, O Lukianova, G Wilde, CC Fu… - Acta Materialia, 2023 - Elsevier
The influence of a magnetic transition on Fe and Mn diffusion in bcc Fe–Mn alloys as a
function of Mn concentration is studied combining experimental measurements and DFT …

Predicting atomic diffusion in concentrated magnetic alloys: The case of paramagnetic Fe-Ni

K Li, CC Fu, M Nastar, F Soisson - Physical Review B, 2023 - APS
Predicting atomic diffusion in concentrated magnetic systems is challenging due to thermal
magnetic effects and complex magnetochemical interplay. We propose an efficient approach …

Anisotropic diffusion in symmetric tilt grain boundaries in bcc iron: A DFT study

AI Kochaev, PE L'vov - Materialia, 2023 - Elsevier
Diffusion analysis at the atomic scale in three orthogonal directions for both low-and high-
energy symmetric tilt grain boundaries (GBs) in bcc iron is presented. Using DFT, we report …