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Title
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Breathinglike phonon modes of multiwalled carbon nanotubes
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Author
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Abstract
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| The breathinglike phonon modes of multiwalled carbon nanotubes are studied within a valence force field model for nanotubes with two and three layers of armchair type and within a continuum model for nanotubes with a large number of layers. A bond-polarizability model is used to calculate the nonresonant Raman intensity of the breathinglike modes. It is obtained that among all breathinglike modes of a given multiwalled tube, the in-phase one has a maximal intensity. The predicted intensity of the breathinglike modes is compared to available low-frequency experimental Raman data. Special attention is given to the comparison with Raman data on double-walled carbon nanotubes. |
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Language
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English
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Source (journal)
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Physical review : B : condensed matter and materials physics. - Lancaster, Pa, 1998 - 2015
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Publication
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Lancaster, Pa
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2002
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ISSN
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1098-0121
[print]
1550-235X
[online]
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DOI
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10.1103/PHYSREVB.65.235415
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Volume/pages
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65
:23
(2002)
, p. 235415,1-235415,6
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Article Reference
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235415
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ISI
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000176767900118
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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