Abstract:The electromagnetic coupling between the magnetic and the superconducting layers in perovskite heterostructures is investigated by means of the magneto-optical technique. The quantitative imaging of the magnetic field distribution allows the high-resolution reconstruction of local supercurrent density. Two phenomena arising from the coupling between manganite layer and the YBa 2 Cu 3 O 7−δ superconducting film deposited on top are addressed, i.e., the local effects of the electronic coupling between the compou… Show more
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