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Low-Field Behavior of Source-Gated Transistors

Shannon, JM, Sporea, RA, Georgakopoulos, S, Shkunov, M and Silva, SRP (2013) Low-Field Behavior of Source-Gated Transistors IEEE Transactions on Electron Devices, 60 (8). pp. 2444-2449.

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Abstract

A physical description of low-field behavior of a Schottky source-gated transistor (SGT) is outlined where carriers crossing the source barrier by thermionic emission are restricted by JFET action in the pinch-off region at the drain end of the source. This mode of operation leads to transistor characteristics with low saturation voltage and high output impedance without the need for field relief at the edge of the Schottky source barrier and explains many characteristics of SGT observed experimentally. 2-D device simulations with and without barrier lowering due to the Schottky effect show that the transistors can be designed so that the current is independent of source length and thickness variations in the semiconductor. This feature together with the fact that the current in an SGT is independent of source-drain separation hypothesizes the fabrication of uniform current sources and other large-area analog circuit blocks with repeatable performance even in imprecise technologies such as high-speed printing.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute
Authors :
AuthorsEmailORCID
Shannon, JMUNSPECIFIEDUNSPECIFIED
Sporea, RAUNSPECIFIEDUNSPECIFIED
Georgakopoulos, SUNSPECIFIEDUNSPECIFIED
Shkunov, MUNSPECIFIEDUNSPECIFIED
Silva, SRPUNSPECIFIEDUNSPECIFIED
Date : 18 June 2013
Identification Number : 10.1109/TED.2013.2264547
Additional Information : © 2013 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Depositing User : Symplectic Elements
Date Deposited : 23 Sep 2013 09:07
Last Modified : 23 Sep 2013 20:21
URI: http://epubs.surrey.ac.uk/id/eprint/802722

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