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相关概念视频

MOSFET01:16

MOSFET

485
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...
485
MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

349
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...
349
Characteristics of MOSFET01:17

Characteristics of MOSFET

397
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...
397
MOS Capacitor01:25

MOS Capacitor

808
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...
808
Field Effect Transistor01:29

Field Effect Transistor

432
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...
432
MOSFET: Depletion Mode01:20

MOSFET: Depletion Mode

368
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...
368

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A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics
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基于晶圆尺度2D-MoS2 FETs的集成逻辑电路,使用埋门结构.

Ju-Ah Lee1,2, Jongwon Yoon1, Seungkwon Hwang1

  • 1Department of Energy and Electronic Materials, Surface Materials Division, Korea Institute of Materials Science (KIMS), Changwon 51508, Republic of Korea.

Nanomaterials (Basel, Switzerland)
|November 10, 2023
PubMed
概括

埋藏门二硫化物 (MoS2) 晶体管克服了当地的后门限制,显著提高了先进逻辑电路的电气性能. 这一创新为高性能集成电子产品铺平了道路.

关键词:
埋葬的门结构结构.门的可控性 门的可控性逻辑电路中的逻辑电路.二硫化物是一种二硫化物.晶圆尺度集成的整合.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 电气工程 电气工程
  • 纳米技术 纳米技术

背景情况:

  • 二维 (2D) 过渡金属二甲基化物 (TMD),如二硫化物 (MoS),为下一代集成电路提供独特的电气性能.
  • 在基板上使用MoS2的局部后门晶体管由于从门侧墙进行非均的电场控制,其电气特性受损.

研究的目的:

  • 为了解决当地的后门MoS晶体管的局限性.
  • 为了提高基于MoS的晶体管和集成逻辑电路的性能.

主要方法:

  • 嵌入式门MoS2晶体管的制造,其门电极嵌入到基板中.
  • 设备参数的表征和比较 (场效应移动性,开/关电流比,故障电压) 与本地后门设计相比.
  • 在2英寸晶圆尺度上将埋藏门MoS2晶体管集成到各种逻辑门 (逆变器,NAND,NOR,AND,OR) 中.

主要成果:

  • 现场效应移动性的显著改善 (0.166至1.08厘米2/V·s).
  • 极大地提高了开/关电流比率 (4.90 × 10 5>到 1.52 × 10 7>).
  • 门介电器 (15.73~27.48V) 的故障电压增加.

结论:

  • 埋藏门架构有效地解决了本地后门设计的非统一场域可控性问题.
  • 制造的埋门MoS2晶体管展示了适合高性能逻辑电路的卓越性能指标.
  • 多种逻辑门的成功晶圆规模集成展示了这项技术在未来电子设备中的潜力.