Invention Grant
US09105831B2 Nonvolatile magnetic element and nonvolatile magnetic device 有权
非易失磁性元件和非易失磁性元件

Nonvolatile magnetic element and nonvolatile magnetic device
Abstract:
Provided is a nonvolatile magnetic device that is capable of realizing low power consumption by performing writing with a voltage and is also excellent in retention characteristics. The nonvolatile magnetic device includes a nonvolatile magnetic element. The nonvolatile magnetic element includes: a first free layer made of a ferromagnetic substance; a first insulating layer made of an insulator, the first insulating layer being provided to be connected to the first free layer; a charged layer provided adjacent to the first insulating layer; a second insulating layer made of an insulator, the second insulating layer being provided adjacent to the charged layer; and an injection layer provided adjacent to the second insulating layer. The charged layer is smaller in electric resistivity than both of the first insulating layer and the second insulating layer. The injection layer is smaller in electric resistivity than the second insulating layer.
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