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Specific heats of dilute neon inside a long single-walled carbon nanotube
Tu, ZC; Ou-Yang, ZC; Tu, ZC , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2003
发表期刊JOURNAL OF PHYSICS-CONDENSED MATTER
ISSN0953-8984
卷号15期号:40页码:6759-6771
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.
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
关键词Bundles Temperature Hydrogen Storage Tubules Gases
学科领域Physics
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收录类别SCI
WOS记录号WOS:000186511700016
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13205
专题理论物理所1978-2010年知识产出
通讯作者Tu, ZC , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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GB/T 7714
Tu, ZC,Ou-Yang, ZC,Tu, ZC , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. Specific heats of dilute neon inside a long single-walled carbon nanotube[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2003,15(40):6759-6771.
APA Tu, ZC,Ou-Yang, ZC,&Tu, ZC , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2003).Specific heats of dilute neon inside a long single-walled carbon nanotube.JOURNAL OF PHYSICS-CONDENSED MATTER,15(40),6759-6771.
MLA Tu, ZC,et al."Specific heats of dilute neon inside a long single-walled carbon nanotube".JOURNAL OF PHYSICS-CONDENSED MATTER 15.40(2003):6759-6771.
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