Patent ID: 9196333
Filing Date: 2015-11-24
Classification: G11C,H01F,H01L

Abstract:
1. A memory element, comprising: a memory layer configured to store an information associated with a magnetization state of a magnetic material; a magnetization-fixed layer that has a magnetization serving as a reference of the information stored in the memory layer; and an insulating layer that is provided between the memory layer and the magnetization-fixed layer and is formed of a non-magnetic material, wherein a spin-polarized electron is injected in a lamination direction of a layered structure having the memory layer, the insulating layer, and the magnetization-fixed layer, and thereby the magnetization direction of the memory layer varies and a recording of information is performed with respect to the memory layer, and a Ta film in contact with a face of the magnetization-fixed layer, the face of the magnetization-fixed layer is opposite to the insulating layer side, wherein the magnetic material includes Co, Fe, and B, and the composition ratio of Co, Fe and B satisfy the following equation; wherein 0≦Co