Abstract
In this study we report the synthesis and characterization of four samples prepared with a nominal RuSr2GdCu2O8 starting composition following a two-step procedure, involving the Sr2GdRuO6 compound as precursor, in a controlled atmosphere. A chemical-vapour-transport process in an open system is used to control the Ru content in these samples during the annealing cycle. We observe that high Ru-oxides mass transport results in a change of the phases in equilibrium at the RuSr2GdCu2O8 composition and a multiphase product is obtained. Rietveld refinement analysis and SEM-EDX studies are carried out in order to estimate the Ru content in the as-prepared RuGd1212.
Published Version
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