Possible crypto-superconducting structure in a superconducting ferromagnet

C. W. Chu, Y. Y. Xue, S. Tsui, J. Cmaidalka, A. K. Heilman, B. Lorenz, R. L. Meng

Research output: Contribution to journalConference articlepeer-review

74 Citations (Scopus)

Abstract

We have measured the dc and ac electrical and magnetic properties in various magnetic fields of the recently reported superconducting ferromagnet RuSr2GdCu2O8. Our reversible magnetization measurements demonstrate the absence of a bulk Meissner state in the compound below the superconducting transition temperature. Several scenarios that might account for the absence of a bulk Meissner state, including the possible presence of a sponge-like nonuniform superconducting or a crypto-superconducting structure in the chemically uniform Ru-1212, have been proposed and discussed.

Original languageEnglish
Pages (from-to)231-238
Number of pages8
JournalPhysica C: Superconductivity and its applications
Volume335
Issue number1
DOIs
Publication statusPublished - 2000 Jun
Event9th Japan-US Workshop on High-Tc Superconductors - Yamanashi, Jpn
Duration: 1999 Oct 131999 Oct 15

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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