NONVOLATILE MEMORY ELEMENT

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PROBLEM TO BE SOLVED : To provide a material composition constituting using three elements a nonvolatile memory element made from perovskite transition metal oxide having a CER effect. SOLUTION : An rare earth copper oxide made from oxygen, copper, and one kind of rare earth such as La2CuO4 is employed as the material constituting hetero junction with such conductor having a low work function or electrical negativity such as Ti, as an electrode. COPYRIGHT : (C)2007, JPO&INPIT