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Related Concept Videos

Field Effect Transistor01:29

Field Effect Transistor

467
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...
467
Bipolar Junction Transistor01:22

Bipolar Junction Transistor

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Bipolar Junction Transistors (BJTs) are essential elements in electronic circuits, playing a crucial role in the functionality of amplifiers, memories, and microprocessors. These transistors can be designed as NPN or PNP based on their doping patterns. They consist of three layers: the emitter, base, and collector. The configuration of these layers and their respective doping levels—with N-type or P-type impurities—define the transistor's type and its operational...
808
MOSFET01:16

MOSFET

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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...
512
MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

378
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...
378
Characteristics of MOSFET01:17

Characteristics of MOSFET

419
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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Switching of BJT01:22

Switching of BJT

453
Switching behavior in Bipolar Junction Transistors (BJTs) is a fundamental aspect utilized in various electronic circuits, particularly for digital logic applications like switches and amplifiers. In a typical switching circuit, a BJT alternates between cut-off and saturation modes, corresponding to the "off" and "on" states, respectively, thus behaving like an ideal switch.
Cut-off Mode ("Off" State): In this state, both the emitter-base and collector-base junctions are...
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A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics
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The future transistors.

Wei Cao1, Huiming Bu2, Maud Vinet3

  • 1Department of Electrical and Computer Engineering, University of California Santa Barbara, Santa Barbara, CA, USA.

Nature
|August 16, 2023
PubMed
Summary
This summary is machine-generated.

Scaling metal-oxide-semiconductor field-effect transistors (MOSFETs) below 10 nanometres is challenging but crucial for future integrated circuits. This work assesses current and future CMOS technologies, identifying promising designs and research needs for next-generation transistors.

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Area of Science:

  • Materials Science
  • Electrical Engineering
  • Semiconductor Physics

Background:

  • Metal-oxide-semiconductor field-effect transistors (MOSFETs) are foundational to complementary metal-oxide-semiconductor (CMOS) technology, driving advancements since the industrial revolution.
  • Continuous scaling of MOSFET gate lengths to sub-20 nanometres has enabled higher speed, energy efficiency, and integration density in integrated circuits.
  • Further downscaling of transistors to sub-10 nanometres faces significant challenges in maintaining low power consumption, even with advanced fin field-effect transistors.

Purpose of the Study:

  • To provide a comprehensive assessment of existing and future CMOS technologies for sub-10 nanometre gate lengths.
  • To identify promising MOSFET designs and research directions for future logic integrated circuits.
  • To explore beyond-MOSFET transistor concepts and innovation opportunities.

Main Methods:

  • A hierarchical framework for FET scaling was established and applied.
  • Evaluation of existing and future CMOS technologies.
  • Analysis of knowledge from previous scaling efforts and current research.

Main Results:

  • Identification of key challenges and opportunities in designing sub-10 nanometre gate length FETs.
  • Assessment of the most promising MOSFET technologies for future applications.
  • A vision for beyond-MOSFET transistors and their potential impact.

Conclusions:

  • Innovations in transistor technology are essential for future progress in materials, device physics, integration, and computing.
  • Continued research is needed to overcome scaling challenges and realize next-generation logic integrated circuits.
  • Exploring novel transistor architectures beyond MOSFETs is critical for future technological advancements.