MANGANESE OXIDE THIN FILM AND OXIDE LAMINATE

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The present invention provides a thin film or laminate which ensures switching capabilities by phase transition of Mott transition at room temperature. An embodiment of the present invention provides a manganese oxide thin film 2 formed on a plane of a substrate 1 and having a composition represented by a composition formula RMnO3 (where R is at least one trivalent rare earth element selected from lanthanoids), wherein both elements R and Mn form the same atomic layer parallel to the plane of the substrate. An aspect of the present invention also provides an oxide laminate having the manganese oxide thin film 2 of the above aspect to which strongly-correlated oxide thin film 3, 31 or 32 are formed contiguously.