EPR study of interaction between paramagnetic species and the fine particles of the RBaCuO (R = Y, Eu, Gd) superconductors

M. Kaise, H. Kondoh, M. Mizuno, C. Nishihara, H. Nozoye, H. Shindo

Research output: Contribution to journalArticle

Abstract

An approach to the characterization of the high-Tc fine particles was presented with an electron spin resonance (ESR) method on powder mixtures of high-Tc cuprates and paramagnetic species. ESR absorption by Cr(3+) was obtained with a powder mixture of the Cr doped MgO and the ground high-Tc cuprate : RBaCuO (R=Y, Eu, Gd). Line broadening of the ESR spectra has been observed at temperature lower than Tc of the bulk oxide which indicates a decrease of Tc of the fine particles.

Original languageEnglish
Pages (from-to)1207-1208
Number of pages2
JournalPhysica C: Superconductivity and its applications
Volume185-189
Issue numberPART 2
DOIs
Publication statusPublished - 1991 Dec 1
Externally publishedYes

ASJC Scopus subject areas

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

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