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Hyperscript

"Semiconductors"

© H. Föll

Preface

Hyperscripts of AMAT: General Information

Introductory Remarks

The Hyperscript "Semiconductors" is the first Hyperscript of AMAT that was conceived before the actual lecture course took place. Originally, the lecture course was scheduled for the fall term of 99, just in time for the first students of the new "Master of Materials Science and Engineering" study program of the Technical Faculty of theUniversity of Kiel.
Health problems and unexpected difficulties in preparing the lecture course made it advisable to postpone everything for a year.
Moreover, in retrospect it proved to be much better to offer this lecture in the third term of the Master study program instead of in the first term as originally intended. Not because the subject is so difficult, but because too much time would be needed to deal with the necessary (or at least useful) background knowledge in solid state physics which meanwhile has been supplied.
The "unexpected difficulties" referred to above are closely connected to the intendend scope ot the lecture, which seems to be so special - or better: so general - that no adequate book could be found.

Scope of the Lecture

The scope of the lecture is simple but not without ambition: Use Si and main-stream Si microelectronic technology as a reference, and, relative to this reference, cover all major semiconductors and discuss:
Specific material and device properties
This should be more than just magnitude and type of the bandgap. It could include for example:
Mobilities, Defect and Doping levels in the bandgap.
Specific theories (e.g. basic Laser theory)
Material production
Crystal growth methods, especially where different from Si
Thin film technologies if important
Special issues, e.g. crystal defects and passivation, environmenetal and health hazards
Specific products and technologies
Deals with the correlation properties- products and with
Special technologies not covered by Si standards.
Current Issues
What are the problems, the focus of present research and developments?
What are interesting research questions - not necessarily linked to products?