Prediction of pressure-induced superconductivity in the novel ternary system ScCaH2n(n= 1–6)

There are two high-temperature superconductor structures in the ScCaH_2n(n= 1–6) system. Among them, ScCaH₈contains H₁₈-cages and theT_creaches 212 K (200 GPa), while ScCaH₁₂has H₂₄-cages and theT_creaches 182 K (200 GPa).