Temperature dependence of the normal-to-superconducting transitions
Eckert, John A.
Donnelly, Robert G.
Cooper, John N.
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This thesis is part of a larger program to determine various functional relationships in superconductive transitions using thin films. Investigation of one characteristic in the behavior of the thin film specimens, the backswitch time, has revealed behavior that cannot be explained in terms of commonly observed thermal phenomena. Relationships between specimen resistance, d.c. reference current, input pulse, temperature, maximum and minimum backswitch time, and type of superconducting material were investigated in this thesis. Two thin film specimens were tested in an inverted position to determine the effects of heat transfer.