By completing the Drift-Diffusion Lab in ABACUS - Assembly of Basic Applications for Coordinated Understanding of Semiconductors, users 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
Users who are new to drift and diffusion mechanisms should consult the following resource:
1. Rober F. Pierret. (1996). Semiconductor Device Fundamentals. Reading, MA: Addison-Wesley. (See especially chapter 3)
Demo
* Drift Diffusion Lab: First-Time User Guide
* Drift Diffusion Video Demonstration
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
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
Solutions to the exercises are available only to instructors!
Evaluation
* ABACUS: Test for Drift Diffusion Lab
Challenge
In this final challenge users will integrate all what they have learned about basic Drift and Diffusion mechanisms.