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CHIPS-FF: Evaluating Universal Machine Learning Force Fields for Material Properties

delete2025-05-05
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Daniel Wines
K
Kamal Choudhary
DOI:10.1021/acsmaterialslett.5c00093delete
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摘要

摘要

En 中文
我们介绍CHIPS-FF(基于预测模拟的计算高性能基础设施力场),这是一个用于机器学习力场(MLFF)的开源基准测试平台。该平台专注于复杂性质,包括弹性常数、声子谱、缺陷形成能、表面能以及界面和无定形相性质。利用16种基于图的MLFF,包括ALIGNN-FF、CHGNet、MatGL、MACE、SevenNet、ORB、MatterSim和OMat24,CHIPS-FF集成了Atomic Simulation Environment(ASE)与JARVIS-Tools,以促进高通量模拟。我们的框架在104种材料(包括金属、半导体和绝缘体,代表半导体器件中使用的材料)上进行了测试,每种MLFF均评估了收敛性、准确性和计算成本。此外,我们评估了这些模型在近200万个原子结构上的力预测精度。通过提供简化的、灵活的基准测试基础设施,CHIPS-FF旨在指导MLFF在真实半导体应用中的开发与部署,弥合量子力学模拟与大规模器件建模之间的差距。

期刊

ACS Materials Letters 封面图
ACS Materials Letters
IF:
8.7
论文数:
2.1K
被引数:
1.2W

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