By Ashok Srivastava, Jose Mauricio Marulanda, Yao Xu, Ashwani Sharma
Discovery of one-dimensional fabric carbon nanotubes in 1991 by means of the japanese physicist Dr. Sumio Iijima has led to voluminous learn within the box of carbon nanotubes for various functions, together with attainable alternative of silicon utilized in the fabrication of CMOS chips. One fascinating characteristic of carbon nanotubes is that those might be steel or semiconducting with a bandgap counting on their diameter. looking for non-classical units and similar applied sciences, either carbon nanotube-based field-effect transistors and steel carbon nanotube interconnects are being explored greatly for rising common sense units and extremely large-scale integration. even if a number of versions for carbon nanotube-based transistors and interconnects were proposed within the literature, an built-in method of lead them to appropriate with the current simulators is but to be completed. This booklet attempts during this course for the carbon-based electronics via basics of solid-state physics and units.
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Additional info for Carbon-Based Electronics: Transistors and Interconnects at the Nanoscale
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Kx and Ky are the wave vectors of carbon nanotubes [17,18], and they are given by and Kx = j2 3a(n + m)C h + a3k(n3 – m3 ) 2C h3 Ky = j2a(n – m)+ 3akC h (n + m) , 2C h2 where, Ch is the chiral vector given by Ch = na1 + ma2 and a1 and a2 are the unit vectors for the graphene hexagonal structure . 2 Density of States Numerical techniques are needed to compute the density of states from Eq. 1) due to its complexity. 2) Effective Mass where Ecmini is the minimum energy value for the given conduction band.