Advanced VLSI Design Homework 4 – Reading reportXi QianScientists are always seeking new materials and fabrications to improve the performance, integration and lifecycle of logic devices. The paper “Computation with Carbon Nanotube Devices” introduces basic conceptions and development of nannotube usages. Main points and related advantages/roadblocks are as follow:1.Single-Walled Carbon Nanotube (SWNT) can be used to replace the silicon channel of MOSFETs. Semiconducting SWNT provides less electron scattering, higher thermal conductivity, and more robust, chemically inert structures. Real implemented products demonstrate much higher electron mobility and faster switching speed, than Si MOSFETs. However, the wide use of this approach is primarily handicapped by the lithography limitation to achieve relatively big channel length, and moreover, the fabrication nowadays cannot yet achieve large-scale layout of SWNT devices.
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