中文
相关论文

相关论文: Machine Learning Models for the Lattice Thermal Co…

200 篇论文

The lattice thermal conductivity ($\kappa_{\ell}$) is a key materials property in power electronics, thermal barriers, and thermoelectric devices. Identifying a wide pool of compounds with low $\kappa_{\ell}$ is particularly important in…

材料科学 · 物理学 2023-09-14 Rasmus Tranås , Ole Martin Løvvik , Kristian Berland

Lattice thermal conductivity ($\kappa_L$) is a key physical property governing heat transport in solids, with direct relevance to thermoelectrics, thermal barrier coatings, and heat management applications. However, while experimental…

材料科学 · 物理学 2025-11-24 Piyush Paliwal , Aftab Alam

We perform machine learning (ML) simulations and density functional theory (DFT) calculations to search for materials with low lattice thermal conductivity, $\kappa_L$. Several cadmium (Cd) compounds containing elements from the…

材料科学 · 物理学 2024-11-05 Chia-Min Lin , Abishek Khatri , Da Yan , Cheng-Chien Chen

While machine learning (ML) has shown increasing effectiveness in optimizing materials properties under known physics, its application in challenging conventional wisdom and discovering new physics still remains challenging due to its…

介观与纳米尺度物理 · 物理学 2020-12-17 Prabudhya Roy Chowdhury , Xiulin Ruan

Lattice thermal conductivity ($\kappa_L$) is crucial for efficient thermal management in electronics and energy conversion technologies. Traditional methods for predicting \k{appa}L are often computationally expensive, limiting their…

材料科学 · 物理学 2025-03-24 Yujie Liu , Xiaoying Wang , Yuzhou Hao , Xuejie Li , Jun Sun , Turab Lookman , Xiangdong Ding , Zhibin Gao

Machine learning has been widely used for predicting material properties. However, efficient prediction of lattice thermal conductivity ($\kappa_\mathrm{L}$) remains a long-standing challenge, primarily due to the scarcity of high-quality…

材料科学 · 物理学 2026-04-07 Mengfan Wu , Junfu Tan , Yu Zhu , Jie Ren

The lattice thermal conductivity ($\kappa_{\rm L}$) of PbTiO$_3$ (PTO) is estimated using a combination of {\em ab initio} calculations and semiclassical Boltzmann transport equation. The computed $\kappa_{\rm L}$ is remarkably low, nearly…

材料科学 · 物理学 2016-03-23 Anindya Roy

Precise modeling and understanding of heat transport in the superionic phase are of great interest. Although simulations combining Green-Kubo (GK) molecular dynamics with machine-learned potentials (MLPs) stand as a promising approach,…

材料科学 · 物理学 2026-03-31 Wenjiang Zhou , Benrui Tang , Zheyong Fan , Federico Grasselli , Stefano Baroni , Bai Song

Intrinsically low lattice thermal conductivity ($\kappa_l$) is a desired requirement in many crystalline solids such as thermal barrier coatings and thermoelectrics. Here, we design an advanced machine-learning (ML) model based on crystal…

材料科学 · 物理学 2021-09-09 Koushik Pal , Cheol Woo Park , Yi Xia , Jiahong Shen , Chris Wolverton

Prediction models of lattice thermal conductivity have wide applications in the discovery of thermoelectrics, thermal barrier coatings, and thermal management of semiconductors. kL is notoriously difficult to predict. While classic models…

材料科学 · 物理学 2021-09-15 Christian Loftis , Kunpeng Yuan , Yong Zhao , Ming Hu , Jianjun Hu

The half-Heusler compound has drawn attention in a variety of fields as a candidate material for thermoelectric energy conversion and spintronics technology. This is because it has various electronic structures, such as semi-metals,…

The lattice thermal conductivity ({\kappa}{\omega}) is a key property for many potential applications of compounds. Discovery of materials with very low or high {\kappa}{\omega} remains an experimental challenge due to high costs and…

材料科学 · 物理学 2014-02-24 Jesús Carrete , Wu Li , Natalio Mingo , Shidong Wang , Stefano Curtarolo

Reliable artificial-intelligence models have the potential to accelerate the discovery of materials with optimal properties for various applications, including superconductivity, catalysis, and thermoelectricity. Advancements in this field…

We investigated the accelerated prediction of the thermal conductivity of materials through end- to-end structure-based approaches employing machine learning methods. Due to the non-availability of high-quality thermal conductivity data, we…

材料科学 · 物理学 2023-11-07 Yagyank Srivastava , Ankit Jain

We demonstrate an ab-initio predictive approach to computing the thermal conductivity ($\kappa$) of InAs/GaAs superlattices (SLs) of varying period, thickness, and composition. Our new experimental results illustrate how this method can…

Thermal conductivity is a fundamental material property but challenging to predict, with less than 5% out of about $10^5$ synthesized inorganic materials being documented. In this work, we extract the structural chemistry that governs…

材料科学 · 物理学 2020-06-23 Taishan Zhu , Sheng Gong , Tian Xie , Prashun Gorai , Jeffrey C. Grossman

Accessing the thermal transport properties of glasses is a major issue for the design of production strategies of glass industry, as well as for the plethora of applications and devices where glasses are employed. From the computational…

无序系统与神经网络 · 物理学 2024-02-12 Paolo Pegolo , Federico Grasselli

We propose a first-principles model of minimum lattice thermal conductivity ($\kappa_{\rm L}^{\rm min}$) based on a unified theoretical treatment of thermal transport in crystals and glasses. We apply this model to thousands of inorganic…

Accurate prediction of lattice thermal conductivity ($\kappa_l$) in strongly anharmonic materials requires renormalized interatomic force constants (IFCs) and appropriate incorporation of diagonal and off-diagonal contributions and…

材料科学 · 物理学 2025-12-02 Ashis Kundu , Florian Knoop , Igor A. Abrikosov

Low lattice thermal conductivity is essential for high thermoelectric performance of a material. Lattice thermal conductivity is often computed using density functional theory (DFT), typically at a high computational cost. Training machine…

材料科学 · 物理学 2021-09-30 Rasmus Tranås , Ole Martin Løvvik , Oliver Tomic , Kristian Berland
‹ 上一页 1 2 3 10 下一页 ›