Date of Award

Fall 1976

Document Type

Dissertation - Restricted

Degree Name

Doctor of Philosophy (PhD)


Electrical and Computer Engineering


In the course of making electrical measurements on powdered semiconductor-metal aggregates, it was discovered that the current-voltage characteristics of these aggregates exhibit negative-differential-resistance and switching effects. This phenomena appeared to be novel and appropriate for investigation. This dissertation reports the results of that investigation. The initial research on semiconductor-metal powder aggregates was done by the author while under the supervision of Dr. Ralph Stajdohar, currently of Argonne National Laboratories.



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