Multigrain Crystallography in the Diamond Anvil Cell: Reliability and Application to Perovskite / Post-Perovskite Phase Transitions under Extreme Conditions

Christopher Langrand, UMET Unité Matériaux et Transformations, Villeneuve d'Ascq, France, Nadege Hilairet, CNRS, Paris Cedex 16, France and Sebastien Merkel, Univ. Lille, Lille, France