[HTML][HTML] Molecular dynamics simulations of heat transport using machine-learned potentials: A mini-review and tutorial on GPUMD with neuroevolution potentials

H Dong, Y Shi, P Ying, K Xu, T Liang, Y Wang… - Journal of Applied …, 2024 - pubs.aip.org
Molecular dynamics (MD) simulations play an important role in understanding and
engineering heat transport properties of complex materials. An essential requirement for …

Sub-micrometer phonon mean free paths in metal–organic frameworks revealed by machine learning molecular dynamics simulations

P Ying, T Liang, K Xu, J Zhang, J Xu… - ACS Applied Materials …, 2023 - ACS Publications
Metal–organic frameworks (MOFs) are a family of materials that have high porosity and
structural tunability and hold great potential in various applications, many of which require a …

Accurate prediction of heat conductivity of water by a neuroevolution potential

K Xu, Y Hao, T Liang, P Ying, J Xu, J Wu… - The Journal of Chemical …, 2023 - pubs.aip.org
We propose an approach that can accurately predict the heat conductivity of liquid water. On
the one hand, we develop an accurate machine-learned potential based on the …

Mechanisms of temperature-dependent thermal transport in amorphous silica from machine-learning molecular dynamics

T Liang, P Ying, K Xu, Z Ye, C Ling, Z Fan, J Xu - Physical Review B, 2023 - APS
Amorphous silica (a-SiO 2) is a foundational disordered material for which the thermal
transport properties are important for various applications. To accurately model the …

Vibrational anharmonicity results in decreased thermal conductivity of amorphous at high temperature

H Zhang, X Gu, Z Fan, H Bao - Physical Review B, 2023 - APS
While the high-temperature thermal transport in crystalline materials has been recently
carefully addressed, it is much less explored for amorphous materials. Most of the existing …

Machine learning based modeling of disordered elemental semiconductors: understanding the atomic structure of a-Si and aC

MA Caro - Semiconductor Science and Technology, 2023 - iopscience.iop.org
Disordered elemental semiconductors, most notably aC and a-Si, are ubiquitous in a myriad
of different applications. These exploit their unique mechanical and electronic properties. In …

Correcting force error-induced underestimation of lattice thermal conductivity in machine learning molecular dynamics

X Wu, W Zhou, H Dong, P Ying, Y Wang… - The Journal of …, 2024 - pubs.aip.org
Machine learned potentials (MLPs) have been widely employed in molecular dynamics
simulations to study thermal transport. However, the literature results indicate that MLPs …

Understanding Defects in Amorphous Silicon with Million‐Atom Simulations and Machine Learning

JD Morrow, C Ugwumadu, DA Drabold… - Angewandte …, 2024 - Wiley Online Library
The structure of amorphous silicon (a‐Si) is widely thought of as a fourfold‐connected
random network, and yet it is defective atoms, with fewer or more than four bonds, that make …

[HTML][HTML] Development of a neuroevolution machine learning potential of Pd-Cu-Ni-P alloys

R Zhao, S Wang, Z Kong, Y Xu, K Fu, P Peng, C Wu - Materials & Design, 2023 - Elsevier
Abstract Pd-Cu-Ni-P alloy is an ideal model system of metallic glass known for its
exceptional glass-forming ability. However, few correlation of structures with properties was …

Molecular dynamics simulation of thermal, hydraulic, and mechanical properties of bentonite clay at 298 to 373 K

X Zheng, TR Underwood, IC Bourg - Applied Clay Science, 2023 - Elsevier
Bentonite, a fine-grained geologic material rich in smectite clay, is considered for use in the
isolation of high-level radioactive waste (HLRW) because of its low hydraulic permeability …