Extended Data Fig. 8: Exemplar radiographic image, ultrasonic data and schematic of the experimental cell design.
From: Seismic velocities of CaSiO3 perovskite can explain LLSVPs in Earth’s lower mantle

a, Example of synchrotron radiographic image in plan view used to measure sample length in a Ca[Si0.6Ti0.4]O3 sample. b, Ultrasonic signals from the ‘runa’ experiment on a CaSiO3 sample. c, Cross-section of the experimental assembly (to scale) used in ultrasonic experiments throughout this study.