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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Autores principales:	Yixiu Luo, Xiaolong Yang, Tianli Feng, Jingyang Wang, Xiulin Ruan
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Science Q
Acceso en línea:	https://doaj.org/article/49ac1d2a91a54debb064fc243ceddf23
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id	oai:doaj.org-article:49ac1d2a91a54debb064fc243ceddf23
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spelling	oai:doaj.org-article:49ac1d2a91a54debb064fc243ceddf232021-12-02T15:45:24ZVibrational hierarchy leads to dual-phonon transport in low thermal conductivity crystals10.1038/s41467-020-16371-w2041-1723https://doaj.org/article/49ac1d2a91a54debb064fc243ceddf232020-05-01T00:00:00Zhttps://doi.org/10.1038/s41467-020-16371-whttps://doaj.org/toc/2041-1723Predicting 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 κ L.Yixiu LuoXiaolong YangTianli FengJingyang WangXiulin RuanNature PortfolioarticleScienceQENNature Communications, Vol 11, Iss 1, Pp 1-10 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Science Q
spellingShingle	Science Q Yixiu Luo Xiaolong Yang Tianli Feng Jingyang Wang Xiulin Ruan Vibrational hierarchy leads to dual-phonon transport in low thermal conductivity crystals
description	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 κ L.
format	article
author	Yixiu Luo Xiaolong Yang Tianli Feng Jingyang Wang Xiulin Ruan
author_facet	Yixiu Luo Xiaolong Yang Tianli Feng Jingyang Wang Xiulin Ruan
author_sort	Yixiu Luo
title	Vibrational hierarchy leads to dual-phonon transport in low thermal conductivity crystals
title_short	Vibrational hierarchy leads to dual-phonon transport in low thermal conductivity crystals
title_full	Vibrational hierarchy leads to dual-phonon transport in low thermal conductivity crystals
title_fullStr	Vibrational hierarchy leads to dual-phonon transport in low thermal conductivity crystals
title_full_unstemmed	Vibrational hierarchy leads to dual-phonon transport in low thermal conductivity crystals
title_sort	vibrational hierarchy leads to dual-phonon transport in low thermal conductivity crystals
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/49ac1d2a91a54debb064fc243ceddf23
work_keys_str_mv	AT yixiuluo vibrationalhierarchyleadstodualphonontransportinlowthermalconductivitycrystals AT xiaolongyang vibrationalhierarchyleadstodualphonontransportinlowthermalconductivitycrystals AT tianlifeng vibrationalhierarchyleadstodualphonontransportinlowthermalconductivitycrystals AT jingyangwang vibrationalhierarchyleadstodualphonontransportinlowthermalconductivitycrystals AT xiulinruan vibrationalhierarchyleadstodualphonontransportinlowthermalconductivitycrystals
_version_	1718385745869144064

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

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