2014/12/08 by Takehiro Hatakeda, T. Hatakeda, T. Noji +9 · 13 citations
Chemistry · Materials Science · Physics and Astronomy · #Analytical Chemistry (journal) #Chemistry #Condensed matter physics #Crystal structure #Crystallography #Electrical resistivity and conductivity #Environmental chemistry #Inorganic Chemistry and Materials #Inorganic chemistry #Intercalation (chemistry) #Iron-based superconductors research #Materials science #Physics #Rare-earth and actinide compounds #Superconductivity #cond-mat.supr-con
paper · pdf · doi:10.1088/1742-6596/568/2/022032
published in Journal of Physics Conference Series 568(2), 022032 (IOP Publishing) · 5 pages, 6 figures
openalex publication_date 2014/12/08 · arxiv created 2015/10/29 · arxiv updated 2016/01/14 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/06
We have succeeded in observing zero-resistivity in newly discovered intercalation superconductors Ax(C2H8N2)yFe2-zSe2 (A = Li, Na) with T c = 45 K, using the sintered pellet samples. The electrical resistivity, ρ, in the normal state is metallic and T c onset defined in the ρ measurements, is as high as ~ 57 K. We have also investigated effects of the atmospheric exposure in Li x (C 2 H 8 N 2 ) y Fe 2- z Se 2 . It has been found that both the crystal structure and superconductivity are maintained at least up to several days, indicating this material is comparatively resistant to the atmospheric exposure.