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
收藏
页码：315 / 319
页数：5
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