Abstract:We report on the preparation and characterization of epitaxial ACuO 2 (A Sr, Ca, Ba) thin films and multilayers with the so-called infinite layer (IL) structure, by rf magnetron sputtering. Films and multilayers without Ba have a remarkable crystal quality, whereas those containing this large ion are often multiphased and unstable. In spite of the excellent crystalline quality of these samples, obtaining thin films having both IL structure and displaying superconducting properties has not succeeded; our pure I… Show more
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