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INVESTIGATIONS ON THE PHASE FORMATIONS, PROPERTIES AND SINGLE CRYSTAL GROWTH IN THE HIGH-TEMPERATURE SUPERCONDUCTING BSCCO SYSTEM.

Author(s) : HUANG Y. K.

Type of article: Article

Summary

THE AUTHORS HAVE PERFORMED INVESTIGATIONS ON THIS SYSTEM WITH RESPECT TO HIGH TEMPERATURE SUPERCONDUCTIVITY AND STRUCTURAL PROPERTIES. IT IS SHOWN THAT THERE ARE 2 HIGH-TEMPERATURE SUPERCONDUCTING PHASES, IE A 110 K AND AN 85 K PHASE. THE 85 K PHASE HAS A BODY-CENTRED TETRAGONAL STRUCTURE. THE 110 K PHASE IS CLOSELY RELATED TO THE 85 K PHASE. ALTHOUGH SOME SAMPLES SHOW A LARGE DIAMAGNETIC SIGNAL AT 110 K IN ALTERNATING CURRENT-SUSCEPTIBILITY MEASUREMENTS, THERE IS STILL EVIDENCE OF THE PRESENCE OF THE 85 K PHASE. X-RAY DIFFRACTION STUDIES SHOW A STRUCTURAL RELATION BETWEEN THESE 2 SUPERCONDUCTING PHASES. THE PROCEDURES OF THE PREPARATION AND THE CHARACTERIZATION OF THE 85 AND 110 K POLYCRYSTALLINE SUPERCONDUCTING PHASES AS WELL AS THE SINGLE CRYSTAL GROWTH OF THE 85 K SUPERCONDUCTING PHASE ARE DESCRIBED.

Details

  • Original title: INVESTIGATIONS ON THE PHASE FORMATIONS, PROPERTIES AND SINGLE CRYSTAL GROWTH IN THE HIGH-TEMPERATURE SUPERCONDUCTING BSCCO SYSTEM.
  • Record ID : 1990-0046
  • Languages: English
  • Source: Physica, C - vol. 152 - n. 5
  • Publication date: 1988/07
  • Document available for consultation in the library of the IIR headquarters only.

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