The tetragonal-cubic transition of davemaoite: Implications for lower mantle seismic anomalies

Yoshiyuki Okuda, Bin Chen, Juliana Peckenpaugh +5

Davemaoite (CaSiO3 perovskite) is the third most abundant mineral in Earth's lower mantle and a dominant phase in subducted oceanic crust. Its crystal structure is distorted (tetra…