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Related Concept Videos

Field Effect Transistor01:29

Field Effect Transistor

512
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...
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MOSFET01:16

MOSFET

536
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...
536
Characteristics of MOSFET01:17

Characteristics of MOSFET

456
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...
456
Bipolar Junction Transistor01:22

Bipolar Junction Transistor

858
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...
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MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

432
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...
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MOSFET: Depletion Mode01:20

MOSFET: Depletion Mode

437
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...
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A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics
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Recent progress of fiber-based transistors: materials, structures and applications.

Haozhe Zhang1, Zhe Wang1, Zhixun Wang1

  • 1School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, 639798, Singapore.

Frontiers of Optoelectronics
|January 13, 2023
PubMed
Summary

Researchers are developing advanced fiber-based transistors for smart fabrics, enabling flexible electronics for applications in robotics, healthcare, and the Internet of Things (IoT). This research focuses on materials and system integration for programmable e-textiles.

Keywords:
Electronic textile (e-textile)Fiber-based memory deviceFiber-based transistorLogic computationSensing

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Area of Science:

  • Materials Science
  • Electrical Engineering
  • Textile Engineering

Background:

  • Wearable electronics integrated into fibers and fabrics offer a versatile platform for advanced functionalities.
  • These human-friendly, programmable devices are crucial for modern electronics due to their flexibility and lightweight nature.
  • Applications span robotics, healthcare, and the Internet of Things (IoT), driven by unique adaptable properties.

Purpose of the Study:

  • To explore the integration of transistors with fabrics for enhanced electronic textile (e-textile) systems.
  • To address key aspects including materials, system structures, and functional devices for fiber-based transistors.
  • To review recent advancements and challenges in the development of fully integrated e-textile systems.

Main Methods:

  • Investigating diverse materials suitable for fiber-based transistor fabrication.
  • Analyzing various system architectures for integrating electronic components into textiles.
  • Examining the development of functional devices like sensors, logic circuits, memory, and neuromorphic computing elements.

Main Results:

  • Demonstrated progress in developing fiber-based transistors with potential for signal processing and computation.
  • Identified critical materials and structural designs for robust and flexible electronic textiles.
  • Highlighted the feasibility of creating sensory, logical, memory, and neuromorphic functionalities within e-textiles.

Conclusions:

  • Fiber-based transistors are fundamental to advancing electronic textiles (e-textiles).
  • Continued research into materials and system integration is essential for realizing fully functional e-textile systems.
  • The development of e-textiles promises significant impact across various technological domains.