PEROVSKITE MANGANESE OXIDE THIN FILM

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An article including a perovskite manganese (Mn) oxide thin film, includes a substrate having an oriented perovskite structure that is (m10) oriented, where 19≧m≧2, and having an [100 ] axis direction; and a perovskite manganese (Mn) oxide thin film having a perovskite crystal lattice containing barium Ba and a rare earth element Ln in A sites of the perovskite crystal lattice, the perovskite manganese (Mn) oxide thin film being formed on the substrate so as to cover at least part of a surface of the substrate, and having atomic planes stacked in a pattern of LnO-MnO2-BaO-MnO2-LnO . . . in the [100] axis direction of the substrate. The perovskite manganese (Mn) oxide thin film provided thoroughly exploits the resistance changes caused by charge and orbital ordering in the perovskite manganese oxide.