JOURNAL ARTICLE

Development of Gate Structure in Junctionless Double Gate Field Effect Transistors

Abstract

본 논문에서는 이중 게이트 junctionless MOSFET 의 성능 최적화를 위하여 다중 게이트 형태를 적용하여 평가한다. 금속 게이트들 사이의 일함수가 서로 다르므로 다중 게이트 구조를 적용할 경우 금속게이트 길이에 따라 소스와 드레인 주변의 전위를 조절할 수 있다. 동작 전류와 누설 전류 그리고 동작 전압은 게이트 구조에 의해 조절이 가능하며 이로 인한 동작 특성 최적화가 가능하다. 본 연구에서는 반도체 소자 시뮬레이션을 통하여 junctionless MOSFET 의 최적화를 구현하고 분석하는 연구를 수행 한다. We propose the multiple gate structure of double gate junctionless metal oxide silicon field oxide transistor (JL MOSFET) for device optimization. Since different workfunction within multiple metal gates, electric potential nearby source and drain region is modulated in accordance with metal gate length. On current, off current and threshold voltage are influenced with gate structure and make possible to meet some device specification. Through the device simulation work, performance optimization of double gate JL MOSFETs are introduced and investigated.

Keywords:
MOSFET Metal gate Gate oxide Double gate Materials science Optoelectronics Transistor Field-effect transistor Threshold voltage Logic gate AND gate Electrical engineering Silicon Gate equivalent Voltage Engineering

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Topics

Advancements in Semiconductor Devices and Circuit Design
Physical Sciences →  Engineering →  Electrical and Electronic Engineering
Semiconductor materials and devices
Physical Sciences →  Engineering →  Electrical and Electronic Engineering
Nanowire Synthesis and Applications
Physical Sciences →  Engineering →  Biomedical Engineering

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