articleJournal of the American Chemical SocietyFeb 23, 2008Closed access

Iron-Based Layered Superconductor La[O 1- x F x ]FeAs ( x = 0.05−0.12) with T c = 26 K

YKYoichi KamiharaTWTakumi WatanabeMHMasahiro HiranoHHHideo Hosono

Tokyo Institute of Technology

PubMed
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Abstract

We report that a layered iron-based compound LaOFeAs undergoes superconducting transition under doping with F- ions at the O2- site. The transition temperature (Tc) exhibits a trapezoid shape dependence on the F- content, with the highest Tc of ∼26 K at ∼11 atom %.

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Topics & keywords

Topics
Keywords
  • Superconductivity
  • Chemistry
  • Superconducting transition temperature
  • Doping
  • Transition temperature
  • Crystallography
  • Ion
  • Atom (system on chip)
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