SPIN CURRENT MAGNETIZATION REVERSAL ELEMENT, METHOD OF MANUFACTURING SAME, MAGNETO RESISTIVE SENSOR, AND MAGNETIC MEMORY

摘要

This spin current magnetization reversal element comprises a first ferromagnetic metal layer having a variable direction of magnetization; and a spin-orbit torque wire that bonds to the first ferromagnetic metal layer and extends in a direction intersecting a facing direction of the first ferromagnetic metal layer. The spin-orbit torque wire is made of a non-magnetic body composed of two or more types of elements, and a composition ratio of the non-magnetic body has a non-uniform distribution between a first surface of the wire bonded to the first ferromagnetic metal layer and a second surface thereof positioned on a side opposite thereto.