Exploring model complexity in machine learned potentials for simulated properties

A Rohskopf, J Goff, D Sema, K Gordiz… - Journal of Materials …, 2023 - Springer
Abstract Machine learning (ML) enables the development of interatomic potentials with the
accuracy of first principles methods while retaining the speed and parallel efficiency of …

A deep learning interatomic potential suitable for simulating radiation damage in bulk tungsten

CJ Ding, YW Lei, XY Wang, XL Li, XY Li, YG Zhang… - Tungsten, 2024 - Springer
So far, it has been a challenge for existing interatomic potentials to accurately describe a
wide range of physical properties and maintain reasonable efficiency. In this work, we …

Transferable interatomic potential for aluminum from ambient conditions to warm dense matter

S Kumar, H Tahmasbi, K Ramakrishna… - Physical Review …, 2023 - APS
We present a study on the transport and material properties of aluminum spanning from
ambient to warm dense matter conditions using a machine-learned interatomic potential (ML …

Understanding the Photoinduced Desorption and Oxidation of CO on Ru (0001) Using a Neural Network Potential Energy Surface

I Žugec, A Tetenoire, AS Muzas, Y Zhang, B Jiang… - JACS Au, 2024 - ACS Publications
The study of ultrafast photoinduced dynamics of adsorbates on metal surfaces requires
thorough investigation of laser-excited electrons and, in many cases, the highly excited …

Machine learning the electronic structure of matter across temperatures

L Fiedler, NA Modine, KD Miller, A Cangi - Physical Review B, 2023 - APS
We introduce machine learning (ML) models that predict the electronic structure of materials
across a wide temperature range. Our models employ neural networks and are trained on …

Development of multi-scale computational frameworks to solve fusion materials science challenges

A Lasa, S Blondel, MA Cusentino, D Dasgupta… - Journal of Nuclear …, 2024 - Elsevier
Over the past two decades, the US-DOE has funded multiple projects that rely on high-
performance computing and exascale computing platforms to accelerate scientific …

Mechanical properties of Mo-Re alloy based on first-principles and machine learning potential function

W Yang, J Ye, P Bi, B Huang, L Chen, Y Yi - Materials Today …, 2024 - Elsevier
This study utilizes first principles calculations of density functional theory and Spectral
Neighbor Analysis Potential (SNAP) machine learning potential to investigate the influence …

Investigations into penetration depth profiles of hydrogenic species in beryllium plasma-facing components via molecular dynamics simulations

A Liptak, KD Lawson, MI Hasan - Plasma Physics and Controlled …, 2024 - iopscience.iop.org
During the operation of nuclear fusion reactors, plasma-facing components lining the reactor
vessel are continually bombarded by plasma species. The penetration and subsequent …

SG-NNP: Species-separated Gaussian Neural Network Potential with Linear Elemental Scaling and Optimized Dimensions for Multi-component Materials

JW Yoon, B Zhou, J Senthilnath - arXiv preprint arXiv:2407.06615, 2024 - arxiv.org
Accurate simulations of materials at long-time and large-length scales have increasingly
been enabled by Machine-learned Interatomic Potentials (MLIPs). There have been …