Abstract:SummaryScanning Auger electron spectroscopy and scanning electron microscopy have been used to investigate the local composition and structure of highly textured c^ axis oriented YBaCuO films with thicknesses in the range 0.4 -1 pm. The cuprate films were sputtered on MgO and sapphire (lOO)-oriented single-crystal substrates at room temperature followed by several anneal stages below or at 920 "C in pure oxygen. The YBaCuO/sapphire sample was examined again after an additional 750 "C air anneal for 24 h. By ap… Show more
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