Carbon-Based Electronics: Transistors and Interconnects at by Ashok Srivastava, Jose Mauricio Marulanda, Yao Xu, Ashwani

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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And Roy, K. (2004). A circuitcompatible model of ballistic carbon nanotube field effect transistors, IEEE Trans. -Aided Des. Integrated Circ. , 23, 1411–1420. 17. Dresselhaus, M. , and Avouris, P. (2001). Carbon Nanotube: Synthesis, Properties, Structure, and Applications (SpringerVerlag, Berlin Heidelberg New York). 18. , Dresselhaus, M. , and Dresselhaus, G. (1998). ). 19. , and Salvetat, J. P. (2006). Understanding Carbon Nanotubes (Springer-Verlag, Berlin Heidelberg). 20. , and Fukui, K. (199).

Trigonal warping effect of carbon nanotubes, Phys. Rev. Lett. B, 61, 2981–2990. 22. , and Datta, S. (2002). Performance projections for ballistic carbon nanotube field-effect transistors, Appl. Phys. , 80, 3192–31942. References 23. Streetman, B. G. (2000). Solid State Electronic Devices, 5th ed. India: Prentice Hall, India). 24. Shur, M. (1993). ). 25. McKelvey, J. P. (1993). ). 26. Marulanda, J. , and Srivastava, A. (2008). Carrier density and effective mass calculations in carbon nanotubes, Phys.

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 = j2a(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]. 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.

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