Intermediate spin state and the B1-B2 transition in ferropericlase at tera-Pascal pressures

Tianqi Wan, Yang Sun, Renata M. Wentzcovitch

Ferropericlase (fp), (Mg${}_{1-x}$Fe${}_x$)O, the second most abundant mineral in the Earth's lower mantle, is expected to be an essential component of super-Earths' mantles. Here we p…