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Electrical Blog Posts

Three Semiconductor Device Models Using the Density-Gradient Theory

December 2, 2019

You can use the density-gradient theory to model semiconductor devices. Here are 3 examples: a Si inversion layer, Si nanowire MOSFET, and InSb p-channel FET.

Intro to Density-Gradient Theory for Semiconductor Device Simulation

November 27, 2019

The density-gradient theory is a computationally efficient way to include quantum confinement in the conventional drift-diffusion formulation commonly used for simulating semiconductor devices.

How the B-H Curve Affects a Magnetic Analysis (and How to Improve It)

November 26, 2019

Magnetic soft iron steels are widely used as core materials in motors, transformers, and inductors. The B-H curve is used to describe the magnetization properties of such materials.

Simulating Radiation Effects in Semiconductor Devices

November 20, 2019

Analyzing radiation effects in semiconductor devices is an important capability for consumer electronics, medical imaging, nuclear engineering, aerospace, and a wide range of other industries.

Optimizing Microwave Ovens with Solid-State RF Cooking

November 13, 2019

Did you know that conventional microwave ovens use the same magnetron technology that was first used in WWII? These researchers thought it was time for an upgrade…

10 Real Uses of COMSOL Multiphysics® in the Power Industry

October 16, 2019

Minimizing transformer noise, planning underground cable networks, and managing a power grid. Keep reading for more real-world examples in which simulation is used in the power industry.

Zeiss, Abbe, and the Evolution of Microscopes and Optical Research

September 11, 2019

The story of Carl Zeiss and Ernst Abbe involves a picturesque town in Germany, compound microscopes, and a hammer and anvil. See for yourself with a glimpse into the history of optical research.

How to Produce 3D Far-Field Plots from 2D Axisymmetric RF Models

August 8, 2019

When modeling certain resonant structures, you can get the best of both worlds: 2D axisymmetry offers efficient computations while 3D far-field plots are available for postprocessing results.


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