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Kabir, Alamgir
- Temperature Dependent Thermal Properties in Single-Wall Carbon Nano Tubes Based on Phonon Scattering
Abstract Views :418 |
PDF Views:236
Authors
Affiliations
1 Dept. of Applied Physics, Electronics & Communication Engineering, Dhaka University, BD
1 Dept. of Applied Physics, Electronics & Communication Engineering, Dhaka University, BD
Source
Engineering International, Vol 2, No 1 (2014), Pagination: 28-38Abstract
Electronic devices and integrated systems are reduced to the size of micron and nanometer level and it becomes particularly important to predict the thermal transport properties of the components. Because of a unique structure and novel properties of carbon nanotubes (CNTs) have attracted significant attention. In this article, thermal transport properties of single wall CNTs (SWCNTs) are introduced. Combining equilibrium and nonequilibrium molecular dynamics with carbon potentials, we have studied the thermal conductivity of carbon nanotubes and its dependence on temperature. Phonon conduction depends on band gaps as well as thermal contact resistance of metallic CNTs, governed by phonon scattering and it shows evidence of 1-D quantization of the phonon band structure. We have studied here the thermal conductivity of single wall nanotubes dependence on chirality structure, dimensions of tubes, defects and vacancies in tubes. We found that the single wall carbon nanotubes have very high thermal conductivity comparable to diamond crystal and in-plane graphite sheet.Keywords
Thermal Transport, Phonon, Green-Kubo Method, Quantization, Umklapp Scattering, Wiedemann-Franz Law- Electrical Characterization and Doping Uniformity Measurement during Crystalline Silicon Solar Cell Fabrication Using Hot Probe Method
Abstract Views :507 |
PDF Views:226
Authors
Nahid Akter
1,
Abul Hossion
1,
Mahbubul Hoq
2,
Sardar Masud Rana
2,
AnzanUz Zaman
2,
Nasrul Haque Mia
2,
Alamgir Kabir
1,
Zahid Hasan Mahmood
1
Affiliations
1 Applied Physics, Electronics and Communication Engineering, Dhaka University, BD
2 Institute of Electronics, Atomic Energy Research Establishment (AERE), Dhaka, BD
1 Applied Physics, Electronics and Communication Engineering, Dhaka University, BD
2 Institute of Electronics, Atomic Energy Research Establishment (AERE), Dhaka, BD