5 papers
Dynamic charges effect on infrared dielectric response of polar materials
Wei-Zhe Yuan, Yangyu Guo, Hong-Liang Yi
Predictive modeling of the infrared dielectric function in polar materials is crucial for thermal management and infrared devices design. While the Green-Kubo molecular dynamics (M…
Crystal Orientation Dependence of Extreme Near-Field Heat Transfer between Polar Materials Governed by Surface Phonon Modes
Wei-Zhe Yuan, Yangyu Guo, Hong-Liang Yi
Due to the rapid development of micro- and nano-manufacturing and electronic devices, heat transfer at the transition regime between radiation and conduction becomes increasingly i…
Consistency between the Green-Kubo formula and Lorentz model for predicting the infrared dielectric function of polar materials
Wei-Zhe Yuan, Yangyu Guo, Hong-Liang Yi
Accurate prediction of infrared dielectric functions in polar materials is fundamental for thermal and photonic applications, yet it remains unexplored whether the two main methods…
Uncovering the roughness effect on inelastic phonon scattering and thermal conductance at interface via spectral energy exchange
Jinyuan Xu, Yangyu Guo
Understanding the mechanism of interfacial thermal transport is crucial for thermal management of electronics. Recent experiments have shown the strong impact of interfacial roughn…
Accurate estimation of interfacial thermal conductance between silicon and diamond enabled by a machine learning interatomic potential
Ali Rajabpour, Bohayra Mortazavi, Pedram Mirchi +4
Thermal management at silicon-diamond interface is critical for advancing high-performance electronic and optoelectronic devices. In this study, we calculate the interfacial therma…