Thermal properties of single-walled carbon nanotube crystal

被引：0

作者：

胡丽君 ^{[1
,2
]}

刘基 ^{[1
]}

刘政 ^{[1
]}

邱彩玉 ^{[1
,2
]}

周海青 ^{[1
,2
]}

孙连峰 ^{[1
]}

机构：

[1] National Center for Nanoscience and Technology

[2] Graduate University of Chinese Academy of Sciences

来源：

Chinese Physics B | 2011年 / 09期

基金：

中国国家自然科学基金;

关键词：

single-walled carbon nanotube SWCNT crystal thermal conductivity; specific heat;

D O I：

暂无

中图分类号：

TB383.1 []; O613.71 [碳C];

学科分类号：

070205 ; 070301 ; 080501 ; 081704 ; 1406 ;

摘要：

In this work,the thermal properties of a single-walled carbon nanotube (SWCNT) crystal are studied.The thermal conductivity of the SWCNT crystal is found to have a linear dependence on temperature in the temperature range from 1.9 K to 100.0 K.In addition,a peak (658 W/mK) is found at a temperature of about 100.0 K.The thermal conductivity decreases gradually to a value of 480 W/mK and keeps almost a constant in the temperature range from 100.0 K to 300.0 K.Meanwhile,the specific heat shows an obvious linear relationship with temperature in the temperature range from 1.9 K to 300.0 K.We discuss the possible mechanisms for these unique thermal properties of the single-walled carbon nanotube crystal.

引用

页码：315 / 319

页数：5

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