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MOSFET: Enhancement Mode

MOSFET: Enhancement Mode

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...

MOSFET Amplifiers

MOSFET Amplifiers

The MOSFET, when operating in its active region, functions as a voltage-controlled current source. In this region, the gate-to-source voltage controls the drain current. This principle underlies the operation of the transconductance MOSFET amplifier. The output current is directed through a load resistor to convert this amplifier into a voltage amplifier. The output voltage is then obtained by subtracting the voltage drop across the load resistance from the supply voltage. This process results...

Biasing of Metal-Semiconductor Junctions

Biasing of Metal-Semiconductor Junctions

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...

Biasing of P-N Junction

Biasing of P-N Junction

The operation of a p-n junction diode involves various biasing conditions, including forward bias, reverse bias, and equilibrium.
In equilibrium, no external voltage is applied across the p-n junction. The depletion region is formed at the junction interface due to the diffusion of carriers, which leaves behind charged dopants, acceptors on the p-side, and donors on the n-side. These immobile charges create an electric field that prevents further diffusion of carriers. The related energy band...

Characteristics of MOSFET

Characteristics of MOSFET

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...

Biasing of FET

Biasing of FET

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...

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Related Experiment Video

Updated: Sep 23, 2025

Preparation of Large-area Vertical 2D Crystal Hetero-structures Through the Sulfurization of Transition Metal Films for Device Fabrication

Preparation of Large-area Vertical 2D Crystal Hetero-structures Through the Sulfurization of Transition Metal Films for Device Fabrication

Published on: November 28, 2017

Correction: A vertical WSe₂-MoSe₂ p-n heterostructure with tunable gate rectification.

Hailiang Liu^1,2, Sajjad Hussain^1,2, Asif Ali^1,2

¹Graphene Research Institute, Sejong University Seoul 143-747 Republic of Korea jwjung@sejong.ac.kr.

|May 11, 2022

Summary

This study corrects a previously published article DOI. The correction ensures accurate referencing for scientific literature and research integrity.

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Preparation of Large-area Vertical 2D Crystal Hetero-structures Through the Sulfurization of Transition Metal Films for Device Fabrication

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Published on: November 28, 2017

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Area of Science:

Scientific publishing
Digital object identifier (DOI) systems
Scholarly communication

Context:

Ensuring the accuracy of scientific records is crucial for research integrity.
Digital Object Identifiers (DOIs) are essential for uniquely identifying and linking scholarly articles.
Corrections to published literature are a standard part of the scientific process.

Purpose:

To provide a correction for a previously assigned article DOI.
To maintain the accuracy and retrievability of scientific publications.
To uphold standards in scholarly communication.

Summary:

This entry serves as a correction notice for a specific article.
The correction pertains to the Digital Object Identifier (DOI) associated with the publication.
This ensures that the article can be correctly accessed and cited.

Impact:

Improves the accuracy of scientific databases and citation records.
Facilitates correct retrieval of the scientific article for researchers.
Reinforces the reliability of the scholarly publishing ecosystem.