GPUMD: A package for constructing accurate machine-learned potentials and performing highly efficient atomistic simulations

Z Fan, Y Wang, P Ying, K Song, J Wang… - The Journal of …, 2022 - pubs.aip.org
We present our latest advancements of machine-learned potentials (MLPs) based on the
neuroevolution potential (NEP) framework introduced in Fan et al.[Phys. Rev. B 104, 104309 …

Influence of thermostatting on nonequilibrium molecular dynamics simulations of heat conduction in solids

Z Li, S Xiong, C Sievers, Y Hu, Z Fan, N Wei… - The Journal of …, 2019 - pubs.aip.org
Nonequilibrium molecular dynamics (NEMD) has been extensively used to study thermal
transport at various length scales in many materials. In this method, two local thermostats at …

Outstanding thermal conductivity of single atomic layer isotope-modified boron nitride

Q Cai, D Scullion, W Gan, A Falin, P Cizek, S Liu… - Physical Review Letters, 2020 - APS
Materials with high thermal conductivities (κ) are valuable to solve the challenge of waste
heat dissipation in highly integrated and miniaturized modern devices. Herein, we report the …

Homogeneous nonequilibrium molecular dynamics method for heat transport and spectral decomposition with many-body potentials

Z Fan, H Dong, A Harju, T Ala-Nissila - Physical Review B, 2019 - APS
The standard equilibrium Green–Kubo and nonequilibrium molecular dynamics (MD)
methods for computing thermal transport coefficients in solids typically require relatively long …

Thermal conductivity of monolayer hexagonal boron nitride: From defective to amorphous

X Wu, Q Han - Computational Materials Science, 2020 - Elsevier
Through extensive molecular dynamics simulations, we completed the thermal transport
properties study of the monolayer hexagonal boron nitride (h-BN) films from the defect state …

Efficient calculation of the lattice thermal conductivity by atomistic simulations with ab initio accuracy

J Brorsson, A Hashemi, Z Fan… - Advanced Theory …, 2022 - Wiley Online Library
High‐order force constant expansions can provide accurate representations of the potential
energy surface relevant to vibrational motion. They can be efficiently parametrized using …

Thermal transport in from molecular dynamics using different empirical potentials

K Xu, AJ Gabourie, A Hashemi, Z Fan, N Wei… - Physical Review B, 2019 - APS
Thermal properties of molybdenum disulfide (MoS 2) have recently attracted attention
related to fundamentals of heat propagation in strongly anisotropic materials, and in the …

The optimal dimensions of hexagonal-boron nitride nanosheets as thermally conductive fillers: The thinner the better?

K Sato, Y Imai - Current Opinion in Solid State and Materials Science, 2024 - Elsevier
Layered solid particles such as hexagonal boron nitride (h-BN) are widely used as thermally
conductive fillers in polymer composites. Exfoliated sheets of the layered particles …

Grain boundary and misorientation angle-dependent thermal transport in single-layer MoS 2

K Xu, T Liang, Z Zhang, X Cao, M Han, N Wei, J Wu - Nanoscale, 2022 - pubs.rsc.org
Grain boundaries (GBs) are inevitable defects in large-area MoS2 samples but they play a
key role in their properties, however, the influence of grain misorientation on thermal …

Variable thermal transport in black, blue, and violet phosphorene from extensive atomistic simulations with a neuroevolution potential

P Ying, T Liang, K Xu, J Xu, Z Fan, T Ala-Nissila… - International Journal of …, 2023 - Elsevier
Phosphorus has diverse chemical bonds, and even in its two-dimensional form, there are
three stable allotropes: black phosphorene (Black-P), blue phosphorene (Blue-P), and violet …