The ferroelastic phase transition in polycrystalline stishovite and seismic scattering in Earth's lower mantle
Johannes Buchen1, Department OE Sciences2, Kirsten Schulze3, Sergio Speziale4, Alexander Kurnosov1, Alok Chaudhari5, Tiziana Boffa Ballaran1 and Norimasa Nishiyama6, (1)University of Bayreuth, Bayerisches Geoinstitut, Bayreuth, Germany, (2)University of Oxford, Department of Earth Sciences, Oxford, United Kingdom, (3)Bayerisches Geoinstitut, Universitaet Bayreuth, Bayreuth, Germany, (4)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, (5)Monash University, School of Earth, Atmosphere and Environment, Clayton, Australia, (6)Tokyo Institute of Technology, Laboratory for Materials and Structures, Tokyo, Japan