| 简介 |
A magnetic memory device of MRAM type with a thermally-assisted writing procedure, the magnetic memory device being formed from a plurality of memory cells, each memory cell comprising a magnetic tunnel junction, the magnetic tunnel junction comprising a magnetic storage layer in which data can be written in a writing process; a reference layer, having a magnetization being always substantially in the same direction at any time of the writing process; an insulating layer between the reference layer and the storage layer; wherein the magnetic tunnel junction further comprises a writing layer made of a ferrimagnetic 3d-4f amorphous alloy, and comprising a net magnetization containing a first magnetization contribution originating from the sub-lattice of 3d transition elements and a second magnetization contribution originating from the sub-lattice of 4f rare-earth elements. The magnetic memory device has a low power consumption. |
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