US Patent 10026888 Magnetoresistive effect element and magnetic memory

According to one embodiment, a magnetoresistive effect element includes: a first magnetic layer; a second magnetic layer; a non-magnetic film between the first magnetic layer and the second magnetic layer; a first layer on an opposite side of a side of the non-magnetic layer of the first magnetic layer, the first layer including magnesium oxide as a principal component; and a second layer between the first film and the first magnetic layer, the second layer including a material different from a material of the first layer.