Pressure-Induced Phase Transitions in Bilayer La${}_3$Ni${}_2$O${}_7$

Mingyu Xu, Greeshma C. Jose, Aya Rutherford +6

La${}_3$Ni${}_2$O${}_7$ exists in two polymorphs: an unconventional structure with alternating layers of single- and triple-layered nickel-oxygen octahedra, and a classical double-layere…