Lattice dynamics of MgSiO${}_3$ perovskite (bridgmanite) studied by inelastic x-ray scattering and ab initio calculations

Björn Wehinger, Alexeï Bosak, Sabrina Nazzareni +9

We have determined the lattice dynamics of MgSiO${}_3$ perovskite (bridgmanite) by a combination of single-crystal inelastic x-ray scattering and ab initio calculations. We observe a…