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A compact model of subthreshold characteristics for short channel double-gate junctionless field effect transistors

Published online by Cambridge University Press:  03 March 2014

Xiaoshi Jin ,
Xi Liu ,
Rongyan Chuai ,
Jung-Hee Lee  and
Jong-Ho Lee
Xiaoshi Jin*
Affiliation:
School of Information Science and Engineering, Shenyang University of Technology, Shenyang 110870, P.R. China
Xi Liu
Affiliation:
School of Information Science and Engineering, Shenyang University of Technology, Shenyang 110870, P.R. China
Rongyan Chuai
Affiliation:
School of Information Science and Engineering, Shenyang University of Technology, Shenyang 110870, P.R. China
Jung-Hee Lee
Affiliation:
School of Electronics Engineering, Kyungpook National University, 1370 Sangyuk-Dong Buk-Gu, Daegu 702-701, Korea
Jong-Ho Lee
Affiliation:
School of EECS Engineering and ISRC (Inter-University Semiconductor Research Center), Seoul National University, Shinlim-Dong, Kwanak-Gu, Seoul 151-742, Korea
*
ae-mail: xsjin@live.cn
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Abstract

A compact subthreshold characteristics model for short channel fully-depleted double-gate (DG) junctionless field effect transistors (JL FETs) which is based on an approximated solution of 2 dimensional Poisson’s equation has been proposed. The derivation details are introduced and the model’s accuracy has been verified by comparison with both previous models and the TCAD simulations’ results which proves that the subthreshold characteristics such as channel potential distribution, subthrethold drain-to-source current, subthreshold slope, drain-induced-barrier-lowering and threshold voltage can be accurately predicted by our proposed compact model.

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 65 , Issue 3 , March 2014 , 30101
Copyright
© EDP Sciences, 2014

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