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Lattice dynamics of potassium-doped single-walled carbon nanotubes
Xiao, Y; Yan, XH; Cao, JX; Mao, YL; Deng, YX; Ding, JW; Yan, XH , Xiangtan Univ, Dept Phys, Xiangtan 411105, Peoples R China.
2004
发表期刊CHINESE PHYSICS LETTERS
ISSN0256-307X
卷号21期号:3页码:517-520
摘要We calculate the vibrational properties of potassium-doped single-walled carbon nanotubes within lattice dynamical theory. The results show that the frequency of high-frequency Raman mode E-2g for K5C40 downshifts to 1553cm(-1), which is in agreement with the value for highly doped samples with effective composition KC8. Moreover, the specific heat curves have a turnover at 22 K, originating from the saturation of K atoms vibrational modes at low energy.
部门归属Xiangtan Univ, Dept Phys, Xiangtan 411105, Peoples R China; Xiangtan Univ, Inst Modern Phys, Xiangtan 411105, Peoples R China; Chinese Acad Sci, Interdisciplinary Ctr Theoret Studies, Beijing 100080, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Raman-scattering Crystals Bundles Atoms
学科领域Physics
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收录类别SCI
WOS记录号WOS:000220202600028
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14114
专题理论物理所SCI论文
通讯作者Yan, XH , Xiangtan Univ, Dept Phys, Xiangtan 411105, Peoples R China.
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GB/T 7714
Xiao, Y,Yan, XH,Cao, JX,et al. Lattice dynamics of potassium-doped single-walled carbon nanotubes[J]. CHINESE PHYSICS LETTERS,2004,21(3):517-520.
APA Xiao, Y.,Yan, XH.,Cao, JX.,Mao, YL.,Deng, YX.,...&Yan, XH , Xiangtan Univ, Dept Phys, Xiangtan 411105, Peoples R China..(2004).Lattice dynamics of potassium-doped single-walled carbon nanotubes.CHINESE PHYSICS LETTERS,21(3),517-520.
MLA Xiao, Y,et al."Lattice dynamics of potassium-doped single-walled carbon nanotubes".CHINESE PHYSICS LETTERS 21.3(2004):517-520.
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