Magnetic field effect on the superconducting transition in (RE)xBa1-xCuOy

Yoji Koike, Takashi Nakanomyo, Tetsuo Hanaguri, Tetsuo Nomoto, Tetsuo Fukase

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5 Citations (Scopus)

Abstract

The superconducting transition of (RE)xBa1-xCuOy (RE: Nd, Sm, Eu, Gd, Ho, Yb, Y; 0.25≦x≦0.40) has been studied in magnetic fields up to 6 T. Two-step transitions have been clearly observed in the magnetic fields for most of the samples. The samples are considered to be composed of the orthorhombic phase with a higher Tc around or below 90 K, and of the inhomogeneous quasi-tetragonal phase with a lower Tc around or below 60 K surrounding the former phase, though the composite ratio depends on the RE-concentration x. The RE-concentration dependence of the transition curve is closely concerned with the ion radius of RE.

Original languageEnglish
Pages (from-to)L2069-L2071
JournalJapanese journal of applied physics
Volume26
Issue number12 A
DOIs
Publication statusPublished - 1987 Dec

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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