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CRITICAL CURRENTS IN MELT TEXTURED YBCO(Y) SUPERCONDUCTORS.

Author(s) : CUI C. G.

Type of article: Article

Summary

SAMPLES OF POLYCRYSTALLINE YBCO(Y) SUPERCONDUCTOR WERE PREPARED BY MELT TEXTURED GROWTH. SCANNING ELECTRON MICROSCOPY SHOWS THAT THE SAMPLE HAS A DENSE, LAYERED STRUCTURE WITH REGULAR ALIGNMENTS OF PLATE-SHAPED CRYSTALS. THE ZERO RESISTANCE TEMPERATURE AND ONSET OF DIAMAGNETISM OF THE SAMPLES OCCUR AT 92 AND 91 K, RESPECTIVELY. THE CRITICAL CURRENTS HAVE BEEN MEASURED UNDER MANT UP T T THE HIGHEST CRITICAL CURRENT DENSITY FOR THE BEST SAMPLE IN ZERO FIELD AT 77 K WAS 11,000 A/CM2.

Details

  • Original title: CRITICAL CURRENTS IN MELT TEXTURED YBCO(Y) SUPERCONDUCTORS.
  • Record ID : 1991-1955
  • Languages: English
  • Source: Cryogenics - vol. 30 - n. 7
  • Publication date: 1990

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