Patent ID: 9006737
Filing Date: 2015-04-14
Classification: C01G,C23C,C30B,H01L

Abstract:
1. A manganese oxide thin film formed on a plane of a substrate, comprising: a substrate of plane orientation (210); and a manganese oxide thin film formed on a plane of the substrate and having a composition represented by composition formula RMnO wherein an atomic layer containing an element R and not containing Mn, and an atomic layer containing Mn and not containing the element R are alternately stacked along a stacking direction perpendicular to the plane of the substrate, the manganese oxide thin film has two nonequivalent crystal axes along an in-plane direction of the plane of the substrate and has a polar surface containing an electric field, and cations R and Mn are translocated relative to O to generate polarization so as to lean toward the stacking direction.