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1.发明授权公开(公告)号：US10700124B1
公开(公告)日：2020-06-30
申请号：US16411431
申请日：2019-05-14
Inventor： Meiyin Yang , Jun Luo , Tengzhi Yang , Jing Xu
Abstract: A spin-orbit torque magnetoresistive random access memory, and a method for manufacturing a spin-orbit torque magnetoresistive random access memory are provided. The spin-orbit torque magnetoresistive random access memory includes a spin-orbit coupling layer and a magnetoresistive tunnel junction located on the spin-orbit coupling layer. The magnetoresistive tunnel junction includes a first magnetic layer, a tunneling layer, and a second magnetic layer that are sequentially stacked from bottom to top, and each of the first magnetic layer and the second magnetic layer has perpendicular anisotropy. In a direction of a current in the spin-orbit coupling layer, defects are generated in a part of the magnetoresistive tunnel junction by an ion implantation process.
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公开(公告)号：US10756256B2
公开(公告)日：2020-08-25
申请号：US16411517
申请日：2019-05-14
Inventor： Meiyin Yang , Jun Luo , Tengzhi Yang , Jing Xu
Abstract: A magnetoresistive random access memory and a method for manufacturing the same are provided, with which a stress layer covers a part of the protective layer along a direction of a current in the spin-orbit coupling layer, so that a stress is generated on the part of the magnetic layer locally due to the stress layer, thus a lateral asymmetric structure is formed in a direction perpendicular to the current source. In a case that a current is supplied to the spin-orbit coupling layer, the spin-orbit coupling effect in the magnetic layer is asymmetric due to the stress on the part of the magnetic layer, thereby realizing a deterministic switching of the magnetic moment under the function of the stress.
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