优化纳米尺度排水和门工程施托基屏障MOSFET,具有改进的双极性和射频特征
Faisal Bashir1, Ali S Alzahrani1, Furqan Zahoor1
1Department of Computer Engineering, College of Computer Sciences and Information Technology, King Faisal University Al-ahsa Saudi Arabia famed@kfu.edu.sa aalzahrani@kfu.edu.sa.
Nanoscale advances
|November 25, 2024
概括
一个新的门和排水工程 Schottky 屏障 MOSFET (GDE-SBMOSFET) 提高了性能和可扩展性. 与传统设计相比,这种先进的设备提供了显著更高的ON电流,ON/OFF比率和切断频率.
科学领域:
- 半导体设备物理 半导体设备物理
- 材料科学 材料科学 材料科学
背景情况:
- 施托基屏障MOSFET (SB-MOSFET) 在ON状态和短通道性能方面面临挑战.
- 缩放传统的MOSFET到22nm以下往往会导致性能降低.
研究的目的:
- 为了引入一个新的门和排水工程 Schottky 屏障 MOSFET (GDE-SBMOSFET).
- 为了提高在线状态和短通道性能,使用双材料门和静电合排水.
- 调查拟议的GDE-SBMOSFET的可扩展性和性能指标.
主要方法:
- GDE-SBMOSFET结构的制造,具有双重材料门和静电合排水.
- 优化用于排水和道门的金属加工功能.
- 性能特征包括ON电流,ON/OFF比率,下值波动 (SS) 和切断频率 (fT).
主要成果:
- 与传统的SB-MOSFET相比,GDE-SBMOSFET的ON电流增加了26倍,ON/OFF比率增加了10倍.
- 与DSL和传统的SB-MOSFET相比,在下值波动 (SS) 中分别提高了28%和4%.
- 实现了~510 GHz的切断频率 (fT),比传统的SB-MOSFET增加了51倍,使得在22nm以下的可扩展性没有性能损失.
结论:
- 在GDE-SBMOSFET提供优越的在状态和短通道性能.
- 拟议的设备表现出极好的可扩展性和减少的双极性.
- 消除与兴奋剂有关的问题对未来的半导体技术具有重大优势.
相关概念视频
Characteristics of MOSFET
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Metal-oxide-semiconductor field-effect Transistors, or MOSFETs, play a critical role in electronic circuits. They are primarily utilized for amplifying and switching signals.
Various vital parameters influence their functionality, which is crucial for theory and electronics applications. First, channel dimensions, precisely length, and width, are pivotal. The size of these channels affects the transistor's ability to carry current and switching speeds; shorter channels typically enable...
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MOSFET: Enhancement Mode
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Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
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The contact of metal and semiconductor can lead to the formation of a junction with either Schottky or Ohmic behavior.
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Schottky barriers arise when a metal with a work function (Φm) contacts a semiconductor with a different work function (Φs). Initially, electrons transfer until the Fermi levels of the metal and semiconductor align at equilibrium. For instance, if Φm > Φs, the semiconductor Fermi level is higher than the metal's before contact. The...
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