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相关论文: Toward Multi-Fidelity Machine Learning Force Field…

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We present a formalism for developing cyclic and helical symmetry-informed machine learned force fields (MLFFs). In particular, employing the smooth overlap of atomic positions descriptors with the polynomial kernel method, we derive cyclic…

材料科学 · 物理学 2024-08-15 Abhiraj Sharma , Shashikant Kumar , Phanish Suryanarayana

Machine learned chemical potentials have shown great promise as alternatives to conventional computational chemistry methods to represent the potential energy of a given atomic or molecular system as a function of its geometry. However,…

Atomistic modeling of thin-film processes provides an avenue not only for discovering key chemical mechanisms of the processes but also to extract quantitative metrics on the events and reactions taking place at the gas-surface interface.…

材料科学 · 物理学 2025-05-05 S. Kondati Natarajan , J. Schneider , N. Pandey , J. Wellendorff , S. Smidstrup

Point defects play a central role in driving the properties of materials. First-principles methods are widely used to compute defect energetics and structures, including at scale for high-throughput defect databases. However, these methods…

The development of machine learning (ML) methods has made quantum chemistry (QC) calculations more accessible by reducing the compute cost incurred in conventional QC methods. This has since been translated into the overhead cost of…

化学物理 · 物理学 2025-03-26 Vivin Vinod , Peter Zaspel

Machine learning (ML) enables the development of interatomic potentials that promise the accuracy of first principles methods while retaining the low cost and parallel efficiency of empirical potentials. While ML potentials traditionally…

To address the computational challenges of ab initio molecular dynamics and the accuracy limitations of empirical force fields, the introduction of machine learning force fields has proven effective in various systems including metals and…

软凝聚态物质 · 物理学 2023-12-18 Junbao Hu , Liyang Zhou , Jian Jiang

Molecular dynamics simulations have been used in different scientific fields to investigate a broad range of physical systems. However, the accuracy of calculation is based on the model considered to describe the atomic interactions. In…

Facilitating the application of machine learning to materials science problems will require enhancing the data ecosystem to enable discovery and collection of data from many sources, automated dissemination of new data across the ecosystem,…

As the sophistication of Machine Learning Force Fields (MLFF) increases to match the complexity of extended molecules and materials, so does the need for tools to properly analyze and assess the practical performance of MLFFs. To go beyond…

化学物理 · 物理学 2023-08-15 Gregory Fonseca , Igor Poltavsky , Alexandre Tkatchenko

Deep neural networks show great potential for automating various visual quality inspection tasks in manufacturing. However, their applicability is limited in more volatile scenarios, such as remanufacturing, where the inspected products and…

计算机视觉与模式识别 · 计算机科学 2026-02-12 Johannes C. Bauer , Paul Geng , Stephan Trattnig , Petr Dokládal , Rüdiger Daub

Multifidelity machine learning (MFML) for quantum chemical (QC) properties has seen strong development in the recent years. The method has been shown to reduce the cost of generating training data for high-accuracy low-cost ML models. In…

化学物理 · 物理学 2024-10-03 Vivin Vinod , Peter Zaspel

Accurate force fields are necessary for predictive molecular simulations. However, developing force fields that accurately reproduce experimental properties is challenging. Here, we present a machine learning directed, multiobjective…

The performance of battery materials is determined by their composition and the processing conditions employed during commercial-scale fabrication, where raw materials undergo complex processing steps with various additives to yield final…

信号处理 · 电气工程与系统科学 2025-05-27 Seon-Hwa Lee , Insoo Ye , Changhwan Lee , Jieun Kim , Geunho Choi , Sang-Cheol Nam , Inchul Park

Metal-organic frameworks (MOFs) have been widely investigated for challenging catalytic transformations due to their well-defined structures and high degree of synthetic tunability. These features, at least in principle, make MOFs ideally…

材料科学 · 物理学 2021-10-19 Andrew S. Rosen , Justin M. Notestein , Randall Q. Snurr

Time-series prediction is increasingly popular in a variety of applications, such as smart factories and smart transportation. Researchers have used various techniques to predict power consumption, but existing models lack discussion of…

机器学习 · 计算机科学 2025-01-22 Jia-Hao Syu , Jerry Chun-Wei Lin , Gautam Srivastava , Unil Yun

Large-scale density functional theory (DFT) calculations provide a powerful tool to investigate the atomic and electronic structure of materials with complex structures. This article reviews a large-scale DFT calculation method, the…

材料科学 · 物理学 2022-08-31 Ayako Nakata , David R. Bowler , Tsuyoshi Miyazaki

Metal-organic frameworks (MOFs) are promising materials for methane capture due to their high surface area and tunable properties. Metal substitution represents a powerful strategy to enhance MOF performance, yet systematic exploration of…

材料科学 · 物理学 2025-04-30 Karim Aljamal , Xiao Wang

Machine-learned interatomic potentials (MLIPs) and force fields (i.e. interaction laws for atoms and molecules) are typically trained on limited data-sets that cover only a very small section of the full space of possible input structures.…

数值分析 · 数学 2022-09-13 Christoph Ortner , Yangshuai Wang

In this work, we present a highly accurate spectral neighbor analysis potential (SNAP) model for molybdenum (Mo) developed through the rigorous application of machine learning techniques on large materials data sets. Despite Mo's importance…

计算物理 · 物理学 2017-09-20 Chi Chen , Zhi Deng , Richard Tran , Hanmei Tang , Iek-Heng Chu , Shyue Ping Ong