Strong correlation between Tc and lattice parameters in Ba2YCu3Oy

H. Ihara, H. Oyanagi, R. Sugise, E. Ohno, T. Matsubara, S. Ohashi, N. Terada, M. Jo, M. Hirabayashi, K. Murata, A. Negishi, Y. Kimura, E. Akiba, H. Hayakawa, S. Shin

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16 Citations (Scopus)

Abstract

Superconducting properties and lattice parameters were systematically studied for Ba2YCu3Oy ( 6 < y < 7) as a function of oxygen content y. The results show that the Tc value and lattice parameter have a strong correlation in a stepwise change with the oxygen content. The lattice parameters of c and (b-a) change stepwisely at y=6.7 and 6.35 like Cu valency. The bond length of Cu-0 along the pyramidal height strongly correlates to the Tc value. The distortion of the pyramidal basal plane also has a relation to the Tc value.

Original languageEnglish
Pages (from-to)948-949
Number of pages2
JournalPhysica C: Superconductivity and its applications
Volume153-155
Issue numberPART 2
DOIs
Publication statusPublished - 1988
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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