AI Article Synopsis
- * The compound exhibits bulk superconductivity at a certain temperature, confirmed through various measurements including electrical resistivity, magnetic susceptibility, and heat capacity.
- * The study highlights an impressive initial slope of the upper critical field for the polycrystalline sample, indicating strong superconducting properties.
Article Abstract
We report synthesis, crystal structure and physical properties of a novel quinary compound RbGdFeAsO. The new iron oxyarsenide is isostructural to the fluo-arsenide KCaFeAsF, both of which contain separate double FeAs layers that are self hole-doped in the stoichiometric composition. Bulk superconductivity at [Formula: see text] K is demonstrated by the measurements of electrical resistivity, dc magnetic susceptibility and heat capacity. An exceptionally high value of the initial slope of the upper critical field ([Formula: see text]d[Formula: see text]/d[Formula: see text] [Formula: see text] T K) is measured for the polycrystalline sample.
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| http://dx.doi.org/10.1088/1361-648X/aa58d2 | DOI Listing |
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