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相关论文: Towards explainable message passing networks for p…

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Adsorption energy is a reactivity descriptor that must be accurately predicted for effective machine learning (ML) application in catalyst screening. This process involves determining the lowest energy across various adsorption…

计算工程、金融与科学 · 计算机科学 2024-10-15 Janghoon Ock , Srivathsan Badrinarayanan , Rishikesh Magar , Akshay Antony , Amir Barati Farimani

Development of high strength carbon fibers (CFs) requires an understanding of the relationship between the processing conditions, microstructure and resulting properties. We developed a molecular model that combines kinetic Monte Carlo…

材料科学 · 物理学 2017-03-29 Saaketh Desai , Chunyu Li , Tongtong Shen , Alejandro Strachan

The adsorption behaviour of hazardous gas molecules, namely nitrogen dioxide (NO$_2$) and ammonia (NH$_3$), on phosphorene nanosheet (PNS) was explored by means of ab initio technique. To improve the structural solidity of pristine PNS, we…

介观与纳米尺度物理 · 物理学 2019-03-28 V. Nagarajan , R. Chandiramouli

Molecular dynamics simulations combined with periodic electronic structure calculations are performed to decipher structural, thermodynamical and dynamical properties of the interfaced vs. confined water adsorbed in hexagonal 1D channels of…

材料科学 · 物理学 2020-11-17 Mohammad R. Momeni , Zeyu Zhang , David Dell'Angelo , Farnaz A. Shakib

We used interpretable machine learning to combine information from multiple heterogeneous spectra: X-ray absorption near-edge spectra (XANES) and atomic pair distribution functions (PDFs) to extract local structural and chemical…

材料科学 · 物理学 2025-04-14 Tanaporn Na Narong , Zoe N. Zachko , Steven B. Torrisi , Simon J. L. Billinge

Ultra-sensitive and highly selective iodine gas sensors play a crucial role during the nuclear radiation leak for a timely detection and mitigation of pollution, ensuring the safety of a vast number of operators and subsequent integrity of…

This paper addresses the environmental impacts linked to hazardous emissions from gas turbines, with a specific focus on employing various machine learning (ML) models to predict the emissions of Carbon Monoxide (CO) and Nitrogen Oxides…

信号处理 · 电气工程与系统科学 2025-01-31 Kamyar Zeinalipour , Laure Barriere , David Ghelardi , Marco Gori

We introduce Attention Graphs, a new tool for mechanistic interpretability of Graph Neural Networks (GNNs) and Graph Transformers based on the mathematical equivalence between message passing in GNNs and the self-attention mechanism in…

机器学习 · 计算机科学 2025-02-26 Batu El , Deepro Choudhury , Pietro Liò , Chaitanya K. Joshi

CO$_2$ capture using carbon-based materials, particularly graphene and graphene-like materials, is a promising strategy to deal with CO$_2$ emissions. However, significant gaps remain in our understanding of the molecular-level interaction…

Machine learning is applied to derive microscopically parameters of the interacting boson model for nuclear spectroscopy. A physics-guided neural network is proposed, which is trained to map the potential energy landscapes that are…

核理论 · 物理学 2026-05-18 Y. Obata , K. Nomura

Direct air capture (DAC) of carbon dioxide is a promising method for mitigating climate change. Solid sorbents, such as metal-organic frameworks, are currently being tested for DAC application. However, their potential for deployment at…

量子物理 · 物理学 2024-12-05 Marco Antonio Barroca , Rodrigo Neumann Barros Ferreira , Mathias Steiner

Direct air capture (DAC) with solid sorbents such as metal-organic frameworks (MOFs) is a promising approach for negative carbon emissions. Computational materials screening can help identify promising materials from the vast chemical space…

材料科学 · 物理学 2025-06-12 Logan M. Brabson , Andrew J. Medford , David S. Sholl

Most machine learning (ML) models in Materials Science are developed by global geometric features, often falling short in describing localized characteristics, like molecular adsorption on materials. In this study, we introduce a local…

材料科学 · 物理学 2023-11-21 Yifan Li , Yihan Wu , Yuhang Han , Qujie Lyu , Hao Wu , Xiuying Zhang , Lei Shen

A deep neural network (DNN) model consisting of two hidden layers was proposed for predicting the immediate environments of specific atoms based on X-ray absorption near-edge spectra (XANES). The output layer of the DNN can be adjusted to…

计算物理 · 物理学 2019-05-13 Liang Li , Mindren Lu , Maria K. Y. Chan

The role of nuclear quantum effects on the adsorption of molecular hydrogen in metal-organic frameworks (MOFs) has been investigated on grounds of Grand-Canonical Quantized Liquid Density-Functional Theory (GC-QLDFT) calculations. For this…

化学物理 · 物理学 2015-06-22 Mohammad Wahiduzzaman , Christian F. J. Walther , Thomas Heine

We study the effects of H2O on CO2 adsorption in an amine-appended variant of the metal-organic framework Mg2(dobpdc), which is known to exhibit chaining behavior that presents in a step-shaped adsorption isotherm. We first show how the…

材料科学 · 物理学 2025-05-28 Jonathan R. Owens , Bojun Feng , Jie Liu , David Moore

Despite deep-learning being state-of-the-art for data-driven model predictions, it has not yet found frequent application in ecology. Given the low sample size typical in many environmental research fields, the default choice for the…

Neural message passing on molecular graphs is one of the most promising methods for predicting formation energy and other properties of molecules and materials. In this work we extend the neural message passing model with an edge update…

机器学习 · 统计学 2018-06-11 Peter Bjørn Jørgensen , Karsten Wedel Jacobsen , Mikkel N. Schmidt

The hydrogen trapping behaviour of metallic alloys is generally characterised using Thermal Desorption Spectroscopy (TDS). However, as an indirect method, extracting key parameters (trap binding energies and densities) remains a significant…

机器学习 · 计算机科学 2025-08-06 N. Marrani , T. Hageman , E. Martínez-Pañeda

In this study, we present a sophisticated hybrid machine-learning framework that significantly improves the accuracy of predicting hydrogen storage capacities in metal hydrides. This is a critical challenge due to the scarcity of…

材料科学 · 物理学 2024-08-29 Satadeep Bhattacharjee , Pritam Das , Swetarekha Ram , Seung-Cheol Lee