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MAGNETIC RELAXATION IN HIGH CRITICAL TEMPERATURE OXIDE YBACUO(Y) SUPERCONDUCTOR.

Author(s) : CAO X., ZHANG F., SUNLI H.

Type of article: Article

Summary

FLUX CREEP IN THIS HIGH CRITICAL TEMPERATURE OXIDE SUPERCONDUCTOR IN CRITICAL STATE HAS BEEN INVESTIGATED BY OBSERVING THE VARIATION OF MAGNETIZATION WITH TIME. THE EXPERIMENTAL RESULTS SHOW THAT IN ZERO FIELD COOLED SAMPLES THE MAGNETIZATION DECAY IS ENTIRELY LOGARITHMIC IN TIME, AND THERE IS A MAGNETIZATION JUMP DURING THE LOGARITHMIC DECAY. AT TEMPERATURES HIGHER THAN 77.3 K, THE DECAY RATE DECREASES MONOTONOUSLY WITH TEMPERATURE. THE THERMAL ACTIVATION ENERGY IS ALSO DISCUSSED.

Details

  • Original title: MAGNETIC RELAXATION IN HIGH CRITICAL TEMPERATURE OXIDE YBACUO(Y) SUPERCONDUCTOR.
  • Record ID : 1991-2401
  • Languages: English
  • Source: Cryogenics - vol. 30 - n. 10
  • Publication date: 1990

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