Institution: | a Texas Materials Institute and Department of Chemical Engineering, University of Texas, Austin, Texas, 78712b Laboratoire de Cristallochimie et Physicochimie du Solide, UMR CNRS 8012, ENSCL, 108, 59652, Villeneuve d'Ascq Cedex, Francec Laboratoire CRISMAT-ISMRa, UMR CNRS 6508, 14050, Caen Cedex, France |