Superconductivity (SC) was experimentally observed for the first time in antimony polyhydride. The diamond anvil cell combined with a laser heating system was used to synthesize the antimony polyhydride sample at high pressure and high temperature. - high pressure transport measurements as a function of temperature with an applied magnetic field were performed to study the SC properties. It was found that the antimony polyhydride samples show superconducting transition with critical temperature 116 K at 184 GPa. The investigation of SC at magnetic field revealed the superconducting coherent length of ∼40 Å based on the Ginzburg Landau (GL) equation. Antimony polyhydride superconductor has the second highest in addition to sulfur hydride among the polyhydrides of elements from main groups IIIA to VIIA in the periodic table.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11173185 | PMC |
http://dx.doi.org/10.1093/nsr/nwad241 | DOI Listing |
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