Atomic-level mechanisms of short-circuit diffusion in materials

I Chesser, RK Koju, Y Mishin - International journal of materials …, 2024 - degruyter.com
This paper reviews the recent progress in understanding the atomic mechanisms of short-
circuit diffusion along materials interfaces, such as grain and interphase boundaries, as well …

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 …

Atomistic simulations of pipe diffusion in bcc transition metals

S Starikov, V Jamebozorgi, D Smirnova, R Drautz… - Acta Materialia, 2023 - Elsevier
Diffusion along dislocations, the so-called pipe diffusion (PD), may significantly contribute to
self-diffusion in plastically deformed materials. In this work, we carry out a comprehensive …

Large-scale atomistic simulation of diffusion in refractory metals and alloys

S Starikov, P Grigorev, R Drautz, SV Divinski - Physical Review Materials, 2024 - APS
The equilibrium vacancy concentration and atomic diffusion coefficients in dilute and
complex refractory alloys have been calculated using various computational methods. The …

Angular-dependent interatomic potential for large-scale atomistic simulation of W-Mo-Nb ternary alloys

S Starikov, P Grigorev, PAT Olsson - Computational materials science, 2024 - Elsevier
We present a new classical interatomic potential designed for simulation of the W-Mo-Nb
system. The angular-dependent format of the potential allows for reproduction of many …

Study of grain boundary self-diffusion in iron with different atomistic models

S Starikov, M Mrovec, R Drautz - Acta Materialia, 2020 - Elsevier
We studied grain boundary (GB) self-diffusion in body-centered cubic iron using ab initio
calculations and molecular dynamics simulations with various interatomic potentials. A …

Disordering complexion transition of grain boundaries in bcc metals: Insights from atomistic simulations

S Starikov, A Abbass, R Drautz, M Mrovec - Acta Materialia, 2023 - Elsevier
Complexion transitions (CTs) of grain boundaries (GBs) have been a subject of extensive
discussions in the last years, but many aspects of this phenomenon are still unclear. Here …

Deuterium trap** and desorption by vacancy clusters in irradiated Mo from object kinetic Monte Carlo simulations

J Hou, X Kong, W Hu, H Deng, D Nguyen-Manh… - Acta Materialia, 2024 - Elsevier
We present a computational study employing Object Kinetic Monte Carlo simulations to
investigate the behavior of D in self-irradiated Mo samples. Our simulations reveal that …

Optimized interatomic potential for atomistic simulation of Zr-Nb alloy

S Starikov, D Smirnova - Computational Materials Science, 2021 - Elsevier
We present a new classical interatomic potential for a study of the binary Zr-Nb system,
taking into account a wide range of the components concentrations. The potential was …

Anomalous versus normal room-temperature diffusion of metal adatoms on graphene

V Gervilla, M Zarshenas, DG Sangiovanni… - The Journal of …, 2020 - ACS Publications
Fabrication of high-performance heterostructure devices requires fundamental
understanding of the diffusion dynamics of metal species on 2D materials. Here, we …