低電圧の超高速メモリとセンサー操作のための半浮遊ゲートトランジスタ
Peng-Fei Wang1, Xi Lin, Lei Liu
1State Key Laboratory of ASIC and System, School of Microelectronics, Fudan University, Shanghai, China. pfw@fudan.edu.cn
Science (New York, N.Y.)
|August 10, 2013
まとめ
この研究は,高度な統合回路のためのトンネルフィールド効果トランジスタを使用した新しいトランジスタ設計を紹介しています. 新しい半導体装置は,高速と低電圧の動作を提供し,次世代の電子機器と画像センサーを可能にします.
科学分野:
- 半導体デバイス物理学の物理
- 集積回路の設計について
- 新型のトランジスタアーキテクチャ.
背景:
- 集積回路はスケーリングの制限に直面し,新しいトランジスタとメモリ設計が必要になります.
- 速度,密度,電力消費量の改善は,将来の電子機器にとって極めて重要です.
研究 の 目的:
- 組み込みトンネリングフィールド効果トランジスタ (TFET) を利用した新型のトランジスタ設計について報告する.
- この新しいトランジスタの性能特性を評価し,潜在的なアプリケーションを評価する.
主な方法:
- 半浮遊ゲート制御用のTFETを埋め込んだトランジスタの製造と特徴付け.
- 動作電圧,値電圧ウィンドウ,および書き込み速度の測定.
- 照明曝露に対するトランジスタ反応の分析.
主要な成果:
- トランジスタは低電圧 (≤2.0V) で動作し,大きな値電圧ウィンドウ (3.1V) がある.
- 超高速の書き込み操作は,約1ナノ秒程度の速度で達成されました.
- 排水流と光の強さの間の線形関係が観察されました.
結論:
- 開発されたトランジスタは,現在の半導体スケーリングの課題を克服する見通しを示しています.
- 潜在的なアプリケーションには,高密度,高性能の画像センシングが含まれます.
- デバイスの特徴は,速度と効率を必要とする高度な電子システムでの使用をサポートします.
関連する概念動画
01:25MOS Capacitor
A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
01:16MOSFET
The Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) plays a pivotal role in modern electronics thanks to its versatility and efficiency in controlling electrical currents. This device, also known as IGFET, MISFET, and MOSFET, has three main terminals: the Source, Drain, and Gate. MOSFETs are classified into n-channel or p-channel types based on the doping characteristics of their substrate and the source or drain regions.
In an n-MOSFET, the structure includes n-type source and drain...
In an n-MOSFET, the structure includes n-type source and drain...
01:29Field Effect Transistor
Field-effect transistors (FETs) are integral to electronic circuits and distinguished by their three-terminal setup: the gate, drain, and source. These transistors operate as unipolar devices, which utilize either electrons or holes as charge carriers, in contrast to bipolar transistors, which use both types of carriers. The primary function of the FET is to modulate the flow of these carriers from the source to the drain through a channel. The voltage difference between the gate and source...
01:22MOSFET: Enhancement Mode
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.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no current...
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no current...
01:17Characteristics of MOSFET
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 quicker...
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 quicker...
01:20MOSFET: Depletion Mode
Depletion-mode MOSFETs represent a unique subset of MOSFET technology, functioning fundamentally differently from their enhancement-mode counterparts. Unlike enhancement MOSFETs, which require a positive gate-source voltage (Vgs) to turn on, depletion-mode MOSFETs are inherently conductive and "normally on" devices.
The primary characteristic of depletion-mode MOSFETs is their ability to conduct current between the drain and source terminals without gate bias. This inherent conductivity arises...
The primary characteristic of depletion-mode MOSFETs is their ability to conduct current between the drain and source terminals without gate bias. This inherent conductivity arises...