Superconductivity at 52 K in hydrogen-substituted LaFeAsO1-xHx under high pressure
Scientific Reports2015Vol. 5(1), pp. 7829–7829
Citations Over TimeTop 11% of 2015 papers
H. Takahashi, Hideo Soeda, M Nukii, C Kawashima, Toru Nakanishi, Soshi Iimura, Yoshinori Muraba, Satoru Matsuishi, Hideo Hosono
Abstract
The 1111-type iron-based superconductor LnFeAsO(1-x)Fx (Ln stands for lanthanide) is the first material with a Tc above 50 K, other than cuprate superconductors. Electron doping into LaFeAsO by H, rather than F, revealed a double-dome-shaped Tc-x diagram, with a first dome (SC1, 0.0550 K observed in RE-1111 compounds (RE: Pr, Sm, and Gd) at ambient pressure is the merging of SC1 and SC2.
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