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Backswitch characteristics of indium films

Abstract

The characteristics of the switch from the resistive to the superconducting state (backswitch) of a strip film of indium, driven resistive by a short current pulse, are investigated. The relationship of the time interval from pulse cessation to the time of reaching the complete superconducting state is explored against parameters of temperature and the DC measuring current for a moderately thick (/^ 6 ju ) film. An empirical equation for the relationship is developed and the technique for the derivation demonstrated. Additional observations of phenomena encountered in the course of experiments are recorded without attempt at explanation.http://www.archive.org/details/backswitchcharac00ammeMajor, United States Marine CorpsLieutenant, United States Nav

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