By completing the Drift-Diffusion Lab in ABACUS - Assembly of Basic Applications for Coordinated Understanding of Semiconductors, you will be able to:
a) understand the phenomenon of drift and diffusion,
b) physically and mathematically describe the basic drift and diffusion mechanisms, and
c) perform light excitation experiments on a semiconductor bar.
The specific objectives of the Drift-Diffusion Lab are:
Recommended Reading
If you have not had experience with basic drift and diffusion mechanisms, here is a list of resources that will help you obtain the required level of knowledge.
1. Rober F. Pierret, Semiconductor Device Fundamentals (Addison-Wesley Publishing Company, 2000). (Chapter 3)
Demo
* Drift Diffusion Lab: First-Time User Guide
Theoretical descriptions
* Illinois ECE 440 Solid State Electronic Devices, Lectures 8 and 9: Drift Mobility
* Illinois ECE 440 Solid State Electronic Devices, Lecture 12: Quasi-Fermi Levels; Photoconductivity
* Illinois ECE 440 Solid State Electronic Devices, Lecture 13: Diffusion
* Illinois ECE 440 Solid State Electronic Devices, Lecture 14-15: Diffusion with Recombination
* Drift-Diffusion Modeling and Numerical Implementation Details (Implementation details and source code dissemination)
Tool Verification
* Verification of the Validity of the Drift-Diffusion Lab Tool
Worked Examples
* Drift Diffusion Lab Worked out problems (Drift)
* Drift Diffusion Lab Worked out problems (Diffusion)
Exercises and Homework Assignments
1. Homework Exercise on Drift & Diffusion in Bulk Semiconductors
2. Homework Exercise on Drift & Diffusion in Bulk Semiconductors - considerations of lifetime
3. Illinois ECE 440: Introduction to Carrier Drift and Mobility Homework
Solutions to Exercises
Available only to Instructors
Take a Test
* ABACUS: Test for Drift Diffusion Lab
Solve the Challenge
In this final challenge you will integrate all what you have learned about basic Drift and Diffusion mechanisms.