The effect of oxygen and hydrogen on superconductivity and ferromagnetism in Eu1.5Ce0.5RuSr2Cu2O10

I. Felner*, U. Asaf, Y. Levi, O. Millo

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

3 Scopus citations

Abstract

Eu1.5Ce0.5RuSr2Cu2O 10 is the first Cu-O based material in which superconductivity (SC) and ferromagnetism (FM) have been shown to coexist (TC = 32 K, TM = 122 K thus TM > TC). SC is confined to the CuO2 planes, and the magnetic ordering is due to the Ru sublattice. Hole doping in the CuO2 planes can be achieved with variation of oxygen or hydrogen concentrations. The effect of O is to increase TC (up to 49 K) and TM (up to 168 K). The effect of H is to suppress SC and enhance the FM properties (TM increases to 225 K). In contrast to other HTSC materials, this effect is reversible: by depletion of hydrogen, SC is restored and TM drops back to 122 K.

Original languageAmerican English
Pages (from-to)370-371
Number of pages2
JournalPhysica B: Condensed Matter
Volume280
Issue number1-4
DOIs
StatePublished - 2000
Event22nd International Conference on Low Temperature Physics (LT-22) - Helsinki, Finland
Duration: 4 Aug 199911 Aug 1999

Keywords

  • High-temperature superconductors
  • Magnetism

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