A combinatorial properties study of thin film Al[BOND] Fe alloys


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The microstructure of an Al[BOND]Fe combinatorial thin film library with a compositional spread ranging from 5 to 23 at.% Fe was analysed. The local crystallographic properties were correlated to the film microstructure dynamic changes. The presence of a transitional region between two metastable phases in the Al[BOND]Fe alloys was identified and related to a percolation threshold near Al-12 at.% Fe. Anodic oxidation of the parent metals produced a mixed oxide on the surface of the Al[BOND]Fe library. XPS investigation of the mixed oxides suggested an intimate mixing of Al2O3 and Fe2O3. pssa201200737-gra-0001