5 papers
A first-principles approach for predicting infrared optical properties of solids
Sreerag Sundaram, Ziqi Guo, Dudong Feng +2
We present a simplified formalism for predicting infrared optical constants from first-principles calculations. Addressing limitations of the widely used four-parameter semi-quantu…
A Review of AI-Driven Approaches for Nanoscale Heat Conduction and Radiation
Ziqi Guo, Daniel Carne, Krutarth Khot +3
Heat conduction and radiation are two of the three fundamental modes of heat transfer, playing a critical role in a wide range of scientific and engineering applications ranging fr…
FourPhonon_GPU: A GPU-accelerated framework for calculating phonon scattering rates and thermal conductivity
Ziqi Guo, Xiulin Ruan, Guang Lin
Accurately predicting phonon scattering is crucial for understanding thermal transport properties. However, the computational cost of such calculations, especially for four-phonon…
Overcoming the curse of dimensionality: Enabling multi-layer photon transport with recurrent neural network
Daniel Carne, Ziqi Guo, Xiulin Ruan
Monte Carlo simulations are commonly used to calculate photon reflectance, absorptance, and transmittance of multi-layer scattering and absorbing media, but they can quickly become…
Anisotropic Anharmonicity Dictates the Thermal Conductivity of Gallium Oxide ()
Abdulaziz Alkandari, Zherui Han, Ziqi Guo +2
is a promising material candidate for next-generation high power devices even as its low thermal conductivity () limits utilization due to an inability to sufficie…