Performance Modeling, Design, and Benchmarking for Beyond-CMOS Devices and Circuits
Prof. Azad Naeemi
School of Electrical and Computer Engineering, Georgia Tech
Abstract: A diverse set of novel materials, physical phenomena, interconnects, logic and memory devices, and circuit/system concepts are being studied globally to sustain the exponential growth of the computational power of integrated circuits. As such, the search for beyond-CMOS devices and circuits must deal with all the levels of abstraction and must take a holistic approach to evaluate the potential performance of each possible option. In this talk, I will first present physical models for electronic and spintronic transport properties of various conventional and emerging materials such as graphene, Si and Cu. Then I will present compact physical models (SPICE models) for various physical phenomena such as nanomagnet dynamics, spin-orbit coupling and spin waves. The utilization of these models for device modeling will then be discussed and I will show how these models can be used to model the behavior of some of the proposed beyond-CMOS devices and to evaluate their potential performance once they are used in various representative Boolean and neuromorphic circuits. Through several examples, I will show how this process can be used to identify the main limiting factors for each device and to revise and refine them.
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