ABACUS - Assembly of Basic Applications for Coordinated Understanding of Semiconductors
Additional Reading and Tools
Solar Cells
ADEPT
ADEPT is not supported within ABACUS because it is a research-oriented tool that enables the study of solar cells for various material systems. A Reference Manual and a ADEPT Heterostructure Tutorial are available. The interface is not a simple point-and-click interface, as for example the PN junction lab, but simulation commands are entered via a command line.
MOS Capacitors with Quantum Corrections
Schred
Schred is not formally supported in ABACUS. It contains more advanced quantum mechanical concepts and is a nanoHUB contributed tool. It calculates the envelope wavefunctions and the corresponding bound-state energies in a typical metal-oxide semiconductor (MOS) or semiconductor-oxide-semiconductor (SOS) structure and a typical SOI structure by solving self-consistently the one-dimensional (1D) Poisson equation and the 1D Schrödinger equation.
Exercises:
- Schred: Exercise 1
- SCHRED: Exercise 2
- Schred: Exercise 3
- Quantum Size Effects and the Need for Schred
- Schred Tutorial Version 2.1
madFETs—more Field Effect Transistors
The Field-Effect Transistor has been proposed and implemented in many physical systems, materials, and geometries. A multitude of acronyms have developed around these concepts. The “Many-Acronym-Device-FET” (madFET) was born. The author of this document was able to trace an attribute to the acronym madFET from Bill Frensley to Herbert Kroemer.
nanoHUB.org hosts a variety of tools that enable the simulation of field effect transisors for a variety of different geometries in a variety of different levels of approximations. There is a madFETs topics page that provides an overview of many of the nanoHUB.org madFET tools.
Technology Computer Aided Design—TCAD
Once students have mastered the basics of semiconductors they may be quite interested in venturing into TCAD. There is a topics page for aTCADlab and associated single aTCADlab tool that assembles various TCAD tools available on the nanoHUB. Process, device, and circuit simulation is represented in aTCADlab.