Record rhenium trioxide 17.8°K high pressure superconduction sets new benchmark for 5d transition-metal oxide quantum materials

https://www.eurekalert.org/news-releases/1139653

"applied pressures ranging from 12 to 39 GPa induce structural phase transition into rhombohedral phase featuring nearly close-packed oxygen layers intercalated with rhenium cations... strong hybridization between Re-5d/ O-2p orbitals enhances Fermi level electronic density... concurrently boosts electron-phonon coupling, driving elevated superconducting dome... path forward for designing new oxide-based superconductors via pressure or heterostructure engineering"