Journal of Nanomaterials & Molecular NanotechnologyISSN: 2324-8777

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Research Article, J Nanomater Mol Nanotechnol Vol: 3 Issue: 3

Some Mechanical Properties of Carbon Nanotubes Heterojunctions

Dinesh Kumar1*, Veena Verma2, Keya Dharamvir3, and HS Bhatti1
1Department of Physics, Punjabi University, Patiala, India
2Department of Physics, Govt. College, Naya Nangal Distt Ropar Punjab, India
3Centre for Advance Study in Physics, Panjab University, Chandigarh, India
Corresponding author : Dr. Dinesh Kumar
Department of Physics, Punjabi University, Patiala, India
E-mail: [email protected]
Received: March 12, 2014 Accepted: April 16, 2014 Published: April 20, 2014
Citation: Kumar D, Verma V, Dharamvir K, Bhatti HS (2014) Some Mechanical Properties of Carbon Nanotubes Heterojunctions. J Nanomater Mol Nanotechnol 3:3 doi:10.4172/2324-8777.1000148

Abstract

Some Mechanical Properties of Carbon Nanotubes Heterojunctions

In the present research work, the structure of linear heterojunctions between two CNTs of different chirality’s, but similar radii, joined together through an interface that require more than one pentagon-heptagon defects have been studied. The elastic properties of carbon nanotube heterojunctions are investigated using secondgeneration improved reactive empirical bond order potential by Brenner and co-workers. In this study, the coordinates of carbon nanotube heterojunctions are generated. Each and every structure thus generated is allowed to relax till a minimum of energy is obtained. The requisite compressions, elongations and twists to the structures are applied and thus computed elastic moduli. Young’s Modulus increases with radius for small radii and attains a constant value of the order 1TPa. Poisson’s ratio and shear modulus have also been computed.

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