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题名: Specific heats of dilute neon inside a long single-walled carbon nanotube
作者: Tu, ZC ;  Ou-Yang, ZC
刊名: JOURNAL OF PHYSICS-CONDENSED MATTER
出版日期: 2003
卷号: 15, 期号:40, 页码:6759-6771
关键词: BUNDLES ;  TEMPERATURE ;  HYDROGEN ;  STORAGE ;  TUBULES ;  GASES
学科分类: Physics
通讯作者: Tu, ZC , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
部门归属: Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Chinese Acad Sci, Grad Sch, Beijing, Peoples R China; Tsinghua Univ, Ctr Adv Study, Beijing 100084, Peoples R China
英文摘要: An elegant formula for coordinates of carbon atoms in a unit cell of a single-walled nanotube (SWNT) is presented and the potential of neon (Ne) inside an infinitely long SWNT is analytically derived under the condition of the Lennard-Jones potential between Ne and carbon atoms. Specific heats of dilute Ne inside a long (20, 20) SWNT are calculated at different temperatures. It is found that Ne exhibits three-dimensional (3D) gas behaviour at high temperature but behaves as a 2D gas at low temperature. Especially, at ultra-low temperature, Ne inside (20, 20) nanotubes behaves as a lattice gas. A rough method to determine the characteristic temperature Tc for low density gas in a potential is put forward. If T much greater than T(c), we just need to use the classical statistical mechanics without solving the Schrodinger equation to consider the thermal behaviour of gas in the potential. But if T similar to T(c), we must solve the Schrodinger equation. For Ne in a (20, 20) nanotube, we obtain T(c) approximate to 60 K.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000186511700016
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13205
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Tu, ZC,Ou-Yang, ZC. Specific heats of dilute neon inside a long single-walled carbon nanotube[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2003,15(40):6759-6771.
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