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Related Concept Videos

Field Effect Transistor01:29

Field Effect Transistor

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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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Metal-oxide-semiconductor field-effect Transistors, or MOSFETs, play a critical role in electronic circuits. They are primarily utilized for amplifying and switching signals.
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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.
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Related Experiment Video

Updated: Feb 22, 2026

Fabrication of a Solution-gated Indium-Tin-Oxide-based One-piece Transistor Enabling Sensitive Biosensing
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Fabrication of a Solution-gated Indium-Tin-Oxide-based One-piece Transistor Enabling Sensitive Biosensing

Published on: August 29, 2025

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Bottom-Up Single-Electron Transistors.

Ksenia S Makarenko1, Zhihua Liu1, Michel P de Jong1

  • 1NanoElectronics Group MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500, AE, Enschede, The Netherlands.

Advanced Materials (Deerfield Beach, Fla.)
|September 19, 2017
PubMed
Summary
This summary is machine-generated.

Researchers developed a new method for fabricating single-electron transistors (SETs) using self-assembled gold nanoparticles and nanorods. This bottom-up approach allows for tunable electronic properties and controllable electrical contacting, paving the way for advanced nanoelectronics.

Keywords:
Coulomb blockadebottom-up fabricationself-assemblysingle-electron transistors

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Condensed Matter Physics

Background:

  • Conventional semiconductor scaling faces significant challenges.
  • There is a growing need for alternative materials and fabrication methods in electronics.
  • Bottom-up approaches offer potential for novel nanoelectronic device fabrication.

Purpose of the Study:

  • To develop a novel bottom-up approach for fabricating high-quality single-electron transistors (SETs).
  • To enable controllable electrical contacting of nanoelectronic devices.
  • To demonstrate the tunability of SET behavior post-fabrication.

Main Methods:

  • Utilizing the self-assembly of gold (Au) nanoparticles to form SETs.
  • Employing Au nanorods to create electrical leads, bridging nano- and microscales.
  • Conducting low-temperature electron-transport measurements.

Main Results:

  • Exemplary single-electron tunneling characteristics were observed.
  • SET behavior was significantly altered post-fabrication through molecular exchange of tunnel barriers.
  • Demonstrated tunability of the self-assembled nanoelectronic structures.

Conclusions:

  • The study presents a promising proof of principle for bottom-up nanoelectronics.
  • The developed method offers versatility for controlled fabrication of nanoelectronic devices.
  • This approach facilitates the creation of tunable single-electron transistors.