Future Semiconductor Devices for Multi-Valued Logic Circuit Design

Supriya Karmakar, Faquir C. Jain

Department of Electrical & Computer Engineering, University of Connecticut, Storrs, USA.
Intel Corporation, Hillsboro, USA.

DOI: 10.4236/msa.2012.311117                

Abstract

This paper introduces future devices for multi-valued logic implementation. Quantum dot gate field effect transistor (QDGFET) works based on the change in threshold voltage due to stored charge in the quantum dots in the gate region. Quantum dot channel field effect transistor (QDCFET) produces more number of states in their transfer characteristics because of charge flow through the mini-band structure formed by the overlapping energy bands of the neighboring quantum dots in the channel region of the FET. On the other hand spatial wave-function switched field effect transistor (SWSFET) produces more number of states in its transfer characteristic based on the switching of charge carriers from one channel to other channel of the device. In this paper we discuss QDGFET, QDCFET and SWSFET in detail to explore their application in future multi-valued logic circuits.

Keywords

MVL; Quantum Dots; FET; QDCFET; QDGFET; SWSFET

Conflicts of Interest

The authors declare no conflicts of interest.

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