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相关概念视频

Biasing of FET01:22

Biasing of FET

209
Biasing a Junction Field Effect Transistor (JFET) is crucial for setting operational parameters and ensuring efficient functioning in electronic circuits. JFETs are characterized by using a single carrier type in N-channel or P-channel configurations, where the channel is surrounded by PN junctions. These junctions are central to the device's ability to control current flow.
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the...
209
MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

270
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...
270
Field Effect Transistor01:29

Field Effect Transistor

286
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...
286
Biasing of Metal-Semiconductor Junctions01:27

Biasing of Metal-Semiconductor Junctions

202
Biasing metal-semiconductor junctions involves applying a voltage across the junction. Specifically, the metal is connected to a voltage source, while the semiconductor is grounded. This technique is essential for controlling the direction and magnitude of current flow in electronic devices, including diodes, transistors, and photovoltaic cells.
In Schottky junctions, where the semiconductor is n-type, applying a positive voltage to the metal relative to the semiconductor reduces its Fermi...
202
MOSFET: Depletion Mode01:20

MOSFET: Depletion Mode

308
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...
308
MOSFET01:16

MOSFET

411
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...
411

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相关实验视频

Updated: May 29, 2025

In Situ Transmission Electron Microscopy with Biasing and Fabrication of Asymmetric Crossbars Based on Mixed-Phased a-VOx
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通过铁电诱导电流调制的非挥发性重配置晶体管.

Daniele Nazzari1, Lukas Wind1, Masiar Sistani1

  • 1Institute of Solid State Electronics, Technische Universität Wien, Gußhausstraße 25-25a, 1040 Vienna, Austria.

ACS applied materials & interfaces
|February 6, 2025
PubMed
概括

新的可重新配置的场效应晶体管 (RFET) 与铁电氧化物 (HZO) 集成,使逻辑内存 (LiM) 硬件成为可能. 这项创新支持低功耗人工神经网络 (ANN) 执行,并嵌入了自学功能.

关键词:
电荷注入调制方法铁电公司Hf0.5Zr0.5O2 (HZO)在内存中的逻辑 (LiM)多层次操作多层次操作.非挥发性的重构能力.可重新配置的场效应晶体管 (RFET)

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科学领域:

  • 材料科学 材料科学 材料科学
  • 半导体设备物理 半导体设备物理
  • 计算机工程 计算机工程

背景情况:

  • 逻辑内存 (LiM) 架构承诺节能执行人工神经网络 (ANN) 等自我学习算法.
  • 可重新配置的场效应晶体管 (RFET) 提供了多功能,运行时可重新配置的逻辑,非常适合高级计算.
  • 将内存元素集成到RFET中对于开发具有嵌入式学习的LiM硬件至关重要.

研究的目的:

  • 为了研究铁电哈夫氧化 (HZO) 与双顶门RFET的集成.
  • 为了证明HZO能够调节Schottky屏障高度并控制RFET中的载体注入.
  • 探索基于HZO的RFET作为非挥发性LiM硬件的构建块的潜力.

主要方法:

  • 制造具有铁电Hf0.5Zr0.5O2 (HZO) 层的双顶门RFET.
  • 电气表征分析HZO极化对肖特基屏障高度和载体运输的影响.
  • 使用偏振脉冲高度调节晶体管工作模式 (p型到n型) 和电流水平.

主要成果:

  • 成功地将HZO集成到双顶门RFET中.
  • 证明HZO极化有效调整Schottky屏障高度,影响载体注入.
  • 在p型和n型运输之间实现切换,调制强度取决于偏振脉冲高度.
  • 由于HZO极化稳定性,表现出各种设备状态的良好保留.

结论:

  • 铁电HZO可以调节RFET设备中跨过Schottky屏障的载体注入.
  • 这种HZO-RFET方法可以实现非易失性逻辑内存硬件.
  • 开发的设备作为设计用于ANN执行的低功耗电路的理想构件.