| 摘要 |
A method of manufacturing a magnetoresistive element includes forming a metal layer on a first ferromagnetic layer, oxidizing the metal layer to form an oxide layer in which unoxidized metal is remained and a magnetic conduction column penetrating the oxide layer in a thickness direction and including at least a part of constituent elements of the first ferromagnetic layer, annealing a resultant structure at a higher temperature than a temperature at which the oxide layer is formed to convert at least a part of a periphery of the magnetic conduction column into a magnetic oxide including a part of constituent elements of the oxide layer and at least a part of constituent elements of the magnetic conduction column, and forming a second ferromagnetic layer.
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