Spin hall effect-based magnetic random access memory
A technology of magnetic random access memory and spin Hall effect, which is applied in the direction of Hall effect devices, magnetic field controlled resistors, electric solid state devices, etc., can solve the problems of complex steps, low read and write efficiency, etc., and improve space utilization Effect
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[0034] The present invention will be further described in detail below in conjunction with the drawings.
[0035] See figure 1 The SOT-MRAM memory cell 100 of the present invention includes a bottom electrode 101, a lower insulating layer 102, a non-magnetic heavy metal layer 103, an MTJ cell and a side electrode 107. The MTJ cell includes a ferromagnetic free layer 104 and a non-magnetic barrier layer 105 And the ferromagnetic pinning layer 106, the upper insulating layer 108 and the top electrode 109. The ferromagnetic free layer 104, the non-magnetic barrier layer 105, the ferromagnetic pinned layer 106, and the side electrode 107 are separated from the top electrode 109 and the bottom electrode 101 by the upper insulating layer 108 and the lower insulating layer 102. The non-magnetic heavy metal layer 103 directly contacts the top electrode 109 and the bottom electrode 101. In addition, the side electrode 107, the MTJ unit and the non-magnetic heavy metal layer 103 are all p...
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