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Ion Drift Velocity Benchmark

Application ID: 14415


The drift velocity of Ar+ is calculated using a Monte Carlo simulation in which the elastic collisions of Argon ions with ambient neutrals are explicitly modeled. The model uses energy-dependent collision cross-section data from experiment.

The average ion velocity values are consistent with experimental data over a wide range of reduced electric field magnitudes. This agreement suggests that Monte Carlo simulation of elastic collisions between particles may be applied to a wide variety of devices.

This application was built using the following:

Particle Tracing Module

The combination of COMSOL® products required to model your application depends on the physics interfaces that define it. Particular physics interfaces may be common to several products (see the Specification Chart for more details). To determine the right combination of products for your project, you should evaluate all of your needs in light of each product's capabilities, consultation with the COMSOL Sales and Support teams, and the use of an evaluation license.