Complex pressure-temperature structural phase diagram of honeycomb iridate Cu${}_2$IrO${}_3$

G. Fabbris, A. Thorn, W. Bi +8

$\mathrm{C}{\mathrm{u}}_2\mathrm{Ir}{\mathrm{O}}_3$ is among the newest layered honeycomb iridates and a promising candidate to harbor a Kitaev quantum spin liquid state. Here, we investigate the pressure and te…