[8] M. B. and T. E. acknowledge funding from INSA Lyon through BQR project THERMOS. S. H. O. and Z. W. are supported by the U.S. DOE, Office of Science, Basic Energy Sciences, Chemical Sciences, Geosciences, and Biosciences Division. The electron microscopy work was performed on a FEI Titan ETEM at the Lyon-St-Etienne centre for electron microscopy (
www.clym.fr); assistance of M. Aouine in preparing the ETEM is gratefully acknowledged.
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