MAGNETIC MEMORY DEVICE

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PROBLEM TO BE SOLVED : To obtain a highly reliable magnetic memory device which makes sure magnetization reversing possible efficiently with a comparably simple constitution without any pair of current wirings, and can further miniaturize the memory device. SOLUTION : In the magnetic memory device, on both the side surfaces of a laminate comprising an insulating layer 3, a magnetization reversing layer 4, and a carrier injecting layer 5, at least on both the side surfaces of the magnetization reversing layer 4, insulating layers 6 and non-magnetic metal layers are provided, and on both the side surfaces of the resultant object, a pair of magnetization controlling layers 8 are provided via Ru layers 7. The carrier injecting layer 5 is formed out of SrTiO3, and the magnetization controlling layer 8 is formed out of such an alloy of rare-earth transition metals as GdFeCo, GdDyFeCo, and GdNdFeCo. COPYRIGHT : (C)2009, JPO&INPIT