Tutorial: Systematic development of polynomial machine learning potentials for elemental and alloy systems

A Seko, JOURNAL OF APPLIED PHYSICS, 133, 011101 (2023).

DOI: 10.1063/5.0129045

Machine learning potentials (MLPs) developed from extensive datasets constructed from density functional theory calculations have become increasingly appealing to many researchers. This paper presents a framework of polynomial-based MLPs, called polynomial MLPs. The systematic development of accurate and computationally efficient polynomial MLPs for many elemental and binary alloy systems and their predictive powers for various properties are also demonstrated. Consequently, many polynomial MLPs are available in a repository website A. Seko, Polynomial Machine Learning Potential Repository at Kyoto University, . The repository will help many scientists perform accurate and efficient large-scale atomistic simulations and crystal structure searches.

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