Modification and Conversion of E-Beam Co-Evaporated Precursors for Fabricating High Critical Current ${\rm YBa}_{2}{\rm Cu}_{3}{\rm O}_{7-\delta}$ Films

Abstract

Ex situ conversion of e-beam co-evaporated precursors was studied in an effort to fabricate high critical current YBCO films using the BaF2 process. The precursors were deposited on CeO2 buffered single crystal YSZ substrates. It was shown that an intermediate oxygenation annealing prior to the conversion modifies the precursor crystallinity and promotes c… (More)

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