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  Published Paper Details:

  Paper Title

Phonons, elastic and mechanical properties in (10,10) Nanotube using Force Constant Model

  Authors

  Dr. Monika Khetarpal

  Keywords

Carbon Nanotube, Phonon dispersion, Force Constant Model, Elastic constants, Mechanical properties

  Abstract


The use of the Force Constant model to reveal the phonon dispersion relation of a single-wall carbon nanotube (SWNT) with chirality (10, 10) is adopted. The qualitative features of the dispersion curve are discussed in detail. Further, from the low wave vector transfer region of the dispersion curve longitudinal acoustic velocity (v_LA = 16 Km/s) and transverse acoustic sound velocity (v_TA= 8 Km/s) have been accessed. A novel method is adopted to evaluate the elastic constants. Additionally, Young modulus, Bulk modulus, Shear modulus, and Poisson's ratio of SWNT have been computed. The numerical value of Young's Modulus is 270.7 GPa and Bulk Modulus is 180.5 GPa. Our results explicitly show that armchair (10, 10) SWNT is mechanically stable. Furthermore, the phonon density of states successfully explains the origin of many phonons branched in the dispersion curve.

  IJCRT's Publication Details

  Unique Identification Number - IJCRT1135050

  Paper ID - 235435

  Page Number(s) - 338-343

  Pubished in - Volume 4 | Issue 1 | January 2016

  DOI (Digital Object Identifier) -   

  Publisher Name - IJCRT | www.ijcrt.org | ISSN : 2320-2882

  E-ISSN Number - 2320-2882

  Cite this article

  Dr. Monika Khetarpal,   "Phonons, elastic and mechanical properties in (10,10) Nanotube using Force Constant Model", International Journal of Creative Research Thoughts (IJCRT), ISSN:2320-2882, Volume.4, Issue 1, pp.338-343, January 2016, Available at :http://www.ijcrt.org/papers/IJCRT1135050.pdf

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ISSN: 2320-2882
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Journal Starting Year (ESTD) : 2013
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ISSN and 7.97 Impact Factor Details


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ISSN
ISSN: 2320-2882
Impact Factor: 7.97 and ISSN APPROVED
Journal Starting Year (ESTD) : 2013
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