Growth of PrFeAsO1-y single crystals and its characterization

M. Ishikado, S. Shamoto, H. Kito, A. Iyo, H. Eisaki, T. Ito, Y. Tomioka

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2 Citations (Scopus)

Abstract

Single crystals of oxygen deficient oxypnictide superconductor PrFeAsO 1-y have been grown by using belt-type anvil high-pressure synthesis apparatus. Superconducting transition temperature (Tc) of the obtained single crystal is 45 K, and typical size is about 800 × 1000 × 30 μm3. In-plane electrical resistivity shows s-shaped behavior, and can well be fitted by T1.2 temperature dependence near 150 K. In addition, we obtained non-superconducting parent single crystal by annealing the as-grown single crystal under ambient pressure. Resistivity of parent single crystal is characterized by the kink near 150 K corresponding to the structural transition, and the structure near 12 K, which is thought to be originating from the magnetic order of Pr ion.

Original languageEnglish
Pages (from-to)S322-S323
JournalPhysica C: Superconductivity and its applications
Volume470
Issue numberSUPPL.1
DOIs
Publication statusPublished - 2010 Dec

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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