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公开(公告)号：US10998490B2
公开(公告)日：2021-05-04
申请号：US16606927
申请日：2018-04-05
Inventor： Rie Matsumoto , Takayuki Nozaki , Shinji Yuasa , Hiroshi Imamura
Abstract: A magnetic element includes a first magnetic layer and a first nonmagnetic layer. An angle θ0 between a first direction and the magnetization direction of the first magnetic layer satisfies 0°
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公开(公告)号：US10319902B2
公开(公告)日：2019-06-11
申请号：US15897121
申请日：2018-02-14
Inventor： Rie Matsumoto , Hiroko Arai , Shinji Yuasa , Hiroshi Imamura
Abstract: Some embodiments are directed to a magnetoresistive device, including a free layer having an easy magnetization direction in a perpendicular direction or in an in-plane direction; a fixed layer having the easy magnetization direction which is in the perpendicular direction when the easy magnetization direction of the free layer is in the perpendicular direction or in the in-plane direction when the easy magnetization direction of the free layer is in the in-plane direction; and a non-magnetic layer disposed between the free layer and the fixed layer.
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公开(公告)号：US10388347B2
公开(公告)日：2019-08-20
申请号：US15576271
申请日：2016-05-19
Inventor： Rie Matsumoto , Hiroko Arai , Shinji Yuasa , Hiroshi Imamura
Abstract: Some embodiments are directed to a non-collinear magnetoresistive device, including a free layer; a fixed layer; and a non-magnetic layer disposed between the free layer and the fixed layer, wherein the fixed layer has an easy magnetization direction in an in-plane direction or in a perpendicular direction, the free layer satisfies at room temperature expressions (1) and (2) below: ERT≥1.66×10−19 J (1) V≤5×104 nm3 (2) where ERT=(Ku1,eff+Ku2+Ku1,eff2/4Ku2)×V, Ku1,eff: an effective first-order anisotropy constant, Ku2: a second-order anisotropy constant, and V: a volume, and wherein the free layer is in a cone magnetization state.
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