Optimized delay and power performances for multi-walled CNT in global VLSI interconnects

Multi-walled carbon nanotubes (MWCNTs) with higher number of shells have potentially provided attractive solution in propagation delay and power dissipation. This research paper presents an equivalent single conductor (ESC) model of MWCNT interconnect that is well accurate with any number of shells and distance from the ground plane. Using the ESC model, HSPICE circuit simulations have been performed for different number of shells in MWCNTs. Based on the simulation results, approximate number of shells have been calculated for optimized delay and power performances at global interconnect lengths.