Vibrational hierarchy leads to dual-phonon transport in low thermal conductivity crystals

Predicting thermal transport in low-thermal-conductivity (κ L) materials is challenging. Here, the authors propose a dual-phonon theory, where normal phonons are treated using the Boltzmann thermal equation and diffuson-like phonons are treated within diffusion theory, yielding robust predictions of...

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Bibliographic Details
Main Authors: Yixiu Luo, Xiaolong Yang, Tianli Feng, Jingyang Wang, Xiulin Ruan
Format: Article
Language:English
Published: Nature Publishing Group 2020-05-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-020-16371-w