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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
Journal of the American Chemical Society · 2008 · Vol. 130(11) · pp. 3296–3297
Yoichi Kamihara✉(Tokyo Institute of Technology)Takumi Watanabe(Tokyo Institute of Technology)Masahiro Hirano(Tokyo Institute of Technology)Hideo Hosono(Tokyo Institute of Technology)
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 %.
Iron-based superconductors researchCorporate Taxation and AvoidanceRare-earth and actinide compoundsSuperconductivityChemistrySuperconducting transition temperatureDopingTransition temperatureCrystallographyIonAtom (system on chip)Condensed matter physicsPhysics
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