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EFFECTS OF THE STRUCTURE OF THE FERMI SURFACE ON THE NORMAL AND SUPERCONDUCTING PARAMETERS OF THE HIGH-TRANSITION TEMPERATURE OXIDE SUPERCONDUCTORS.

Author(s) : KRESIN V. Z., WOLF S. A.

Type of article: Article

Summary

THE AUTHORS HAVE DESCRIBED THE MAJOR FEATURES OF THE FERMI SURFACES OF THE HIGH-TRANSITION TEMPERATURE CUPRATES. THE DESCRIPTION IN MOMENTUM SPACE AND USE OF FERMIOLOGY ALLOWS TO ANALYZE THE LARGE ANISOTROPY AND MULTIBAND STRUCTURE OF THE NEW MATERIALS. THESE PROPERTIES ARE CRUCIAL BECAUSE OF THE EXTREMELY SMALL VALUES OF THE COHERENCE LENGTH. THE FERMI SURFACE CAN BE RECONSTRUCTED WITH THE USE OF EXPERINA THE AUTHORS HAVE EVALUATED THE PARAMETERS SUCH AS EFFECTIVE MASS, FERMI ENERGY, FERMI VELOCITY, AND COHERENCE LENGTH AND ESTIMATED THEM FOR LA(1.8)SR(0.2)CUO(4) AND Y(1)BA(2)CU(3)O(7) WITH THE USE OF HEAT CAPACITY AND HALL EFFECT MEASUREMENTS.

Details

  • Original title: EFFECTS OF THE STRUCTURE OF THE FERMI SURFACE ON THE NORMAL AND SUPERCONDUCTING PARAMETERS OF THE HIGH-TRANSITION TEMPERATURE OXIDE SUPERCONDUCTORS.
  • Record ID : 1989-1695
  • Languages: English
  • Source: J. Supercond. - vol. 1 - n. 1
  • Publication date: 1988/03
  • Document available for consultation in the library of the IIR headquarters only.

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