DOI resolved by resea

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

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 sha…

Yoichi Kamihara, Takumi Watanabe, Masahiro Hirano, Hideo Hosono
https://resea.org/10.1021/ja800073m
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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 %.