Atomic‐scale study of intercrystalline (Mg, Fe) O in planetary mantles: Mechanics and thermodynamics of grain boundaries under pressure

S Ritterbex, T Tsuchiya, M Drury… - Journal of Geophysical …, 2024 - Wiley Online Library
Abstract Polycrystalline (Mg, Fe) O ferropericlase is the second most abundant mantle
constituent of the Earth and possibly of super‐Earth exoplanets. Its mechanical behavior is …

Effect of bridgmanite-ferropericlase grain size evolution on Earth's average mantle viscosity: implications for mantle convection in early and present-day Earth

J Paul, GJ Golabek, AB Rozel, PJ Tackley… - Progress in Earth and …, 2024 - Springer
Recent experimental investigations of grain size evolution in bridgmanite-ferropericlase
assemblages have suggested very slow growth for these bimodal phases. Despite …