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Temperature Dependence of Anisotropic Thermal-Conductivity Tensor of Bulk Black Phosphorus

TitleTemperature Dependence of Anisotropic Thermal-Conductivity Tensor of Bulk Black Phosphorus
Publication TypeJournal Article
Year of Publication2017
AuthorsSun, Bo, Gu Xiaokun, Zeng Qingsheng, Huang Xi, Yan Yuexiang, Liu Zheng, Yang Ronggui, and Koh Yee Kan
JournalAdv. Mater.
Volume29
PaginationUNSP 1603297
Date Published01/2017
ISSN0935-9648
Keywordsgraphite, heat-conduction, orientation, time-domain thermoreflectance, Transport
Abstract

The anisotropic thermal-conductivity tensor of bulk black phosphorus (BP) for 80 {\textless}= T {\textless}= 300 K is reported. Despite the anisotropy, phonons are predominantly scattered by Umklapp processes in all the crystallographic orientations. It is also found that the phonon mean-free-paths of BP are rather long (up to 1 mu m) in the through-plane direction.

DOI10.1002/adma.201603297

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