Accession Number : AD0683465

Title :   CONDUCTION AND ELECTRICAL SWITCHING IN AMORPHOUS CHALCOGENIDE semiconductor films.

Descriptive Note : Technical rept.,

Corporate Author : PICATINNY ARSENAL DOVER N J FELTMAN RESEARCH LABS

Personal Author(s) : Walsh,P. J. ; Vogel,Ruth ; Evans,E. J.

Report Date : NOV 1968

Pagination or Media Count : 25

Abstract : Experimental evidence is presented bearing on the low current conduction and on the rapid electrical switching phenomena that have been found in thin films of certain amorphous chalcogenide semiconducting materials. The principal findings are that (1) the low current conduction consists of an 'ohmic' region linear with voltage and an exponentially varying nonlinear region, both of which arise from the same conduction process; (2) at voltages just below switching, the equivalent parallel capacitance of the film becomes negative; and (3) a field-influenced dielectric phase transition is implicated in the switching process. The phase transition temperature appears to be related to the glass transition temperature. (Author)

Descriptors :   (*SEMICONDUCTING FILMS, ELECTRICAL CONDUCTIVITY), CHALCOGENS, GLASS, CAPACITANCE, SWITCHING CIRCUITS, TRANSITION TEMPERATURE

Subject Categories : Solid State Physics

Distribution Statement : APPROVED FOR PUBLIC RELEASE