Competition between magnetism and superconductivity in the new rare earth nickel boride carbides

H. Eisaki, H. Takagi, R. J. Cava, K. Mizuhashi, J. O. Lee, S. Uchida, B. Batlogg, J. J. Krajewski, W. F. Peck

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Abstract

Competition between magnetism and superconductivity was investigated for the newly discovered RNi2B2C superconductors with the magnetic rare earth elements R=Tm, Er, Ho, Dy, and Tb. Superconductivity is also observed for the compounds with magnetic R ions and their Tc's are approximately scaled by the de Gennes factor, which implies a very weak coupling between the rare earth magnetic moments and the conduction electrons due to a small conduction electron density at the rare earth site. Associated with the antiferromagnetic order of the rare earth moments, characteristic resistive transition under magnetic field was observed.

Original languageEnglish (US)
Pages (from-to)2539-2540
Number of pages2
JournalPhysica C: Superconductivity and its applications
Volume235-240
Issue numberPART 4
DOIs
StatePublished - Dec 1994
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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    Eisaki, H., Takagi, H., Cava, R. J., Mizuhashi, K., Lee, J. O., Uchida, S., Batlogg, B., Krajewski, J. J., & Peck, W. F. (1994). Competition between magnetism and superconductivity in the new rare earth nickel boride carbides. Physica C: Superconductivity and its applications, 235-240(PART 4), 2539-2540. https://doi.org/10.1016/0921-4534(94)92490-2