通过机器学习加速稳定材料的预测.
Sean D Griesemer1, Yi Xia1,2, Chris Wolverton3
1Department of Materials Science and Engineering, Northwestern University, Evanston, IL, USA.
Nature computational science
|January 4, 2024
概括
机器学习 (ML) 通过预测其特性来加速稳定材料的发现,克服传统计算和实验方法的局限性. 本次审查强调了ML在预测零和有限温度稳定性方面的进展.
科学领域:
- 材料科学 材料科学 材料科学
- 计算材料科学科学 计算材料科学
- 机器学习 机器学习
背景情况:
- 高通量材料的发现受到计算成本的限制,特别是在不同条件下的复杂材料.
- 基于物理的模拟和实验往往无法用于大规模调查.
- 机器学习 (ML) 为材料建模提供了一个快速而强大的替代方案.
研究的目的:
- 审查最近应用ML方法的进展,以预测材料稳定性.
- 专注于ML在预测零和有限温度稳定性的有效性.
- 在材料稳定性预测中确定未来ML开发的领域.
主要方法:
- 对材料稳定性预测中ML应用的最新文献的综述.
- 专注于机器学习框架和数据利用,用于预测热力学特性.
- 分析ML在预测零和有限温度稳定性方面的性能.
主要成果:
- ML在预测材料稳定性参数方面是有效的,加速了新稳定的材料的发现.
- 在基于ML的零和有限温度稳定性预测方面取得了显著进展.
- 现有的ML方法显示出克服材料科学中的计算障碍的前景.
结论:
- 机器学习是加速材料发现和预测稳定性的强大工具.
- 为了预测压力和表面能量等其他关键热力学因素,需要进一步开发ML.
- 机器学习集成对于有效探索广的材料空间至关重要.
相关概念视频
Prediction Intervals
2.3K
The interval estimate of any variable is known as the prediction interval. It helps decide if a point estimate is dependable.
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y.
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y.
2.3K
Predicting Molecular Geometry
34.3K
VSEPR Theory for Determination of Electron Pair Geometries
34.3K
Predicting Reaction Outcomes
8.4K
Kinetics describes the rate and path by which a reaction occurs. In contrast, thermodynamics deals with state functions and describes the properties, behavior, and components of a system. It is not concerned with the path taken by the process and cannot address the rate at which a reaction occurs. Although it does provide information about what can happen during a reaction process, it does not describe the detailed steps of what appears on an atomic or a molecular level. On the other hand,...
8.4K
Predicting Products: Substitution vs. Elimination
11.7K
When a nucleophile and an alkyl halide react, nucleophilic substitution and β-elimination reactions compete to generate products.
The following factors can influence the mechanisms competing against each other:
The following factors can influence the mechanisms competing against each other:
11.7K
Predicting Products: SN1 vs. SN2
13.4K
Nucleophilic substitution reactions of alkyl halides can proceed via an SN1 or an SN2 mechanism. While in SN2 reactions, the nucleophile attacks the substrate simultaneously as the leaving group departs, in SN1 reactions, the substrate first dissociates to give the carbocation intermediate. Various factors such as the structure of the substrate, the strength of the nucleophile, and the nature of the solvent promote one mechanism over the other.
With increased substitution on the alkyl halide,...
With increased substitution on the alkyl halide,...
13.4K
Stability of Equilibrium Configuration: Problem Solving
606
The stability of equilibrium configurations is an important concept in physics, engineering, and other related fields. In simple terms, it refers to the tendency of an object or system to return to its equilibrium position after being disturbed. The stability of an equilibrium configuration can be analyzed by considering the potential energy function of the system and examining its behavior near the equilibrium point.
Problem-solving in the context of the stability of equilibrium configuration...
Problem-solving in the context of the stability of equilibrium configuration...
606


