Emergence of Superconductivity at 20 K in Th${}_3$P${}_4$-type In${}_{3-x}$S${}_4$ Synthesized by Diamond Anvil Cell with Boron-doped Diamond Electrodes

Ryo Matsumoto, Kazuki Yamane, Terumasa Tadano +4

The exploration of superconductors in metastable phases by manipulating crystal structures through high-pressure techniques has attracted significant interest in materials science…