Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Characteristics of MOSFET01:17

Characteristics of MOSFET

668
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...
668
MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

600
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...
600
MOSFET01:16

MOSFET

812
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...
812
Small-Signal Analysis of MOSFET Amplifiers01:23

Small-Signal Analysis of MOSFET Amplifiers

883
In small-signal analysis, a MOSFET transistor amplifier acts as a linear amplifier when operating in its saturation region. The gate-to-source voltage (VGS) of the MOSFET is the sum of the DC biasing voltage and the small time-varying input signal. This combination sets up the operating point and modulates the drain current (ID) that flows from the drain to the source. When a small AC signal is superimposed on the DC bias voltage at the gate, the instantaneous drain current comprises three...
883
MOSFET: Depletion Mode01:20

MOSFET: Depletion Mode

624
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...
624
MOSFET Amplifiers01:17

MOSFET Amplifiers

312
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...
312

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Innovative microneedle-integrated hydrogels: a promising strategy for diabetic foot ulcer management.

Frontiers in bioengineering and biotechnology·2026
Same author

Air-permeable hydrogels through viscoelastic phase separation of aerogels.

Nature·2026
Same author

Sequential targeting nanochaperone disrupts positive feedback loop of mitochondrial dysfunction for Alzheimer's disease therapy.

Biomaterials·2026
Same author

Mechanisms and Applications of Manganese-Based Materials in Tumor Immunotherapy.

Molecules (Basel, Switzerland)·2026
Same author

Advances in near-infrared fluorescent probes for the tumor microenvironment.

Journal of translational medicine·2026
Same author

Home-Based RESIST: Rationale and Design of a Multicenter Randomized Controlled Trial.

Journal of the American Heart Association·2026

Related Experiment Video

Updated: Nov 17, 2025

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices
11:24

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

Published on: July 11, 2025

11.2K

Analytical Model for the Channel Maximum Temperature in Ga2O3 MOSFETs.

Xiaole Jia1, Haodong Hu1, Genquan Han2

  • 1State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, School of Microelectronics, Xidian University, Xi'an, 710071, China.

Nanoscale Research Letters
|February 11, 2021
PubMed
Summary

This study presents an analytical model to accurately estimate the maximum channel temperature in Gallium Oxide (Ga2O3) MOSFETs. The model accounts for Ga2O3

Keywords:
Analytical modelGa2O3Maximum temperatureThermal conductivity

More Related Videos

Writing and Low-Temperature Characterization of Oxide Nanostructures
06:43

Writing and Low-Temperature Characterization of Oxide Nanostructures

Published on: July 18, 2014

10.2K
Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

10.0K

Related Experiment Videos

Last Updated: Nov 17, 2025

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices
11:24

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

Published on: July 11, 2025

11.2K
Writing and Low-Temperature Characterization of Oxide Nanostructures
06:43

Writing and Low-Temperature Characterization of Oxide Nanostructures

Published on: July 18, 2014

10.2K
Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

10.0K

Area of Science:

  • Materials Science and Engineering
  • Semiconductor Device Physics
  • Thermal Management

Background:

  • Gallium Oxide (Ga2O3) Metal-Oxide-Semiconductor Field-Effect Transistors (MOSFETs) are promising for high-power applications.
  • Effective thermal management is crucial due to the anisotropic and temperature-dependent thermal conductivity of Ga2O3.
  • Existing models may not fully capture the complex thermal behavior of Ga2O3 MOSFETs.

Purpose of the Study:

  • To develop an accurate analytical model for estimating the maximum channel temperature in Ga2O3 MOSFETs.
  • To incorporate the anisotropic and temperature-dependent thermal conductivity of Ga2O3 into the thermal model.
  • To provide insights for effective thermal management strategies for Ga2O3 power devices.

Main Methods:

  • Development of a novel analytical model for channel maximum temperature estimation.
  • Inclusion of anisotropic and temperature-dependent thermal conductivity properties of Ga2O3.
  • Validation through numerical simulations using COMSOL Multiphysics, varying device parameters and ambient temperature.

Main Results:

  • The proposed analytical model accurately estimates the channel maximum temperature of Ga2O3 MOSFETs.
  • Numerical simulations show good agreement with the analytical model, confirming its validity.
  • The model effectively captures the influence of power density, device geometry, and ambient temperature on thermal behavior.

Conclusions:

  • The developed analytical model provides a reliable tool for predicting thermal performance in Ga2O3 MOSFETs.
  • The model's accuracy is validated by numerical simulations, highlighting its practical applicability.
  • This work offers valuable guidance for optimizing the thermal management of Ga2O3-based power electronic devices.