Progress has been made in the invention and innovation of nanophase materials They can be applied in many disciplines suchĪs chemistry, biology, physics and electrics. Technology, nanophase materials have gained huge attention in various fieldsĭue to their unusual properties. The development of material theory and the improvement of fabrication Unrestricted use, distribution, and reproduction in any medium are permitted, provided the original work is properly cited. © Copyright 2012 Authors - This is an Open Access article published under the Creative Commons Attribution License terms. Keywords: Nanotechnology, Electromagnetic properties, Nanotubes, SIW, MSIW, Insertion loss We have also studied the use of graphene and CNT in MSIW the result of simulation with HFSS software is also presented as well. Simulation results with the CST Microwave Studio show 70% reduction in conductive insertion loss and 40% reduction in total insertion loss in SIW. Thus we have suggested the use of CNT-graphene instead of copper in this substrate. Thirdly a comparative study of conductive and substrate loss in SIW and MSIW has been conducted for CNT-graphene system and copper system.
Secondly the electrical properties of carbon NanoTube and graphene which are the two most technologically advanced examples have been discussed. For this, firstly some of the basic concepts about nanoscale electromagnetic properties and the qualitative difference in circuit behavior at nanoscale is presented. In this paper we have tried to use CNT in Substrate Integrated Waveguide (SIW) and Modified SIW (MSIW) to decrease the electrical energy loss. To understand the high-frequency electronic properties of carbon nanotubes we should understand passive, ac impedance of a 1D quantum system. North Kargar Street, Tehran, Iran - The study of the ac properties of nano-electronic systems is one of the most discussed topics recently.
Isfahan University of Technology, Isfahan, Iran of Tehran, Department of Electrical Engineering ¹Information and Communication Technology Institute Parisa Moslemi¹, Golamreza Askari¹ ², Shamsoddin Mohajerzadeh², Hamid Mirmohmmad Sadeghi¹ Linked References Application of Nanotechnology in High Frequency and Microwave Devices
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