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HIGH CRITICAL TEMPERATURE SUPERCONDUCTORS AND CRITICAL CURRENT MEASUREMENT.

Author(s) : GOODRICH L. F., BRAY S. L.

Type of article: Article

Summary

WITH THE INTRODUCTION OF HIGH CRITICAL TEMPERATURE SUPERCONDUCTORS, A NUMBER OF PROBLEMS ASSOCIATED WITH CRITICAL CURRENT MEASUREMENT HAVE ARISEN. THE EXISTING CRITICAL CURRENT MEASUREMENT PRACTICES WERE DEVELOPED AND PROVED FOR LOW C TEMPERATURE SUPERCONDUCTORS. THERE ARE SUBSTANTIAL DIFFERENCES BETWEEN THE 2 CLASSES OF MATERIALS. WHEN THE CRITICAL CURRENT CONCEPT WAS CASUALLY EXTENDED TO THE HIGH CRITICAL TEMPERATURE CONDUCTORS, MEASUREMENT INCONSISTENCY, AMBIGUITY AND, IN SOME CASES, INVALIDITY FOLLOWED. A DISCUSSION OF THE UNDERLYING PHILOSOPHY OF CRITICAL CURRENT MEASUREMENT IS PRESENTED AND A NUMBER OF MEASUREMENT VARIABLES THAT CAN INFLUENCE THE MEASURED CRITICAL CURRENT ARE DISCUSSED.

Details

  • Original title: HIGH CRITICAL TEMPERATURE SUPERCONDUCTORS AND CRITICAL CURRENT MEASUREMENT.
  • Record ID : 1991-2391
  • Languages: English
  • Source: Cryogenics - vol. 30 - n. 8
  • Publication date: 1990

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