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题名: Large anisotropic thermal transport properties observed in bulk single crystal black phosphorus
作者: Wang, Y; Xu, GZ; Hou, ZP; Yang, BC; Zhang, XM; Liu, EK; Xi, XK; Liu, ZY; Zeng, ZM(曾中明); Wang, WH; Wu, GH
通讯作者: Wang, WH
刊名: APPLIED PHYSICS LETTERS
发表日期: 2016
DOI: 10.1063/1.4943084
卷: 108, 期:9
收录类别: SCI ; EI
文章类型: 期刊论文
部门归属: 纳米加工公共平台
英文摘要: The anisotropy of thermal transport properties for bulk black phosphorus (BP) single crystal, which might be of particular interest in the fabrication of thermoelectric/optoelectronic devices, was investigated by using angular dependent thermal conductivity and Seebeck coefficient measurements at various temperatures. We found that the maximum thermal conductivities in x (zigzag), y (armchair), and z (perpendicular to the puckered layers) directions are 34, 17, and 5 W m(-1) K-1, respectively, exhibiting large anisotropy. At temperature around 200K, a large Seebeck coefficient up to +487 +/- 10 mu V/K has been obtained in x direction, which is 1.5 times higher than that in z direction. The large anisotropy of thermal transport properties can be understood from the crystal structure and bonding characters of BP. In addition, the energy gap has been obtained from nuclear spin lattice relaxation measurements, which is consistent with the value derived from temperature-dependent Seebeck coefficient measurements. (C) 2016 AIP Publishing LLC.
关键词[WOS]: FIELD-EFFECT TRANSISTORS ; ELECTRICAL-PROPERTIES ; SEMICONDUCTOR
语种: 英语
JCR小类分区: 二区
WOS记录号: WOS:000375329200027
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内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/4655
Appears in Collections:纳米加工公共平台_期刊论文

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Recommended Citation:
Wang, Y,Xu, GZ,Hou, ZP,et al. Large anisotropic thermal transport properties observed in bulk single crystal black phosphorus[J]. APPLIED PHYSICS LETTERS,2016,108(9).
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