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physics.geo-ph2026
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…
physics.geo-ph2026
Low electrical conductivity of dry CaSiO3 perovskite under lower mantle conditions
Yoshiyuki Okuda, Bin Chen, Juliana Peckenpaugh +1
Electrical conductivity (EC) provides important constraints on the composition and volatile distribution of Earth's deep mantle, yet the EC of davemaoite (CaSiO3 perovskite), a maj…