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Magnetic random access memory with lower switching field through indirect exchange coupling
Magnetic random access memory with lower switching field through indirect exchange coupling
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机译:通过间接交换耦合具有较低开关场的磁性随机存取存储器
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摘要
A magnetic random access memory with lower switching field through indirect exchange coupling. The memory includes a first antiferromagnetic layer, a pinned layer formed on the first antiferromagnetic layer, a tunnel barrier layer formed on the pinned layer, a ferromagnetic free layer formed on the tunnel barrier layer, a metal layer formed on the ferromagnetic free layer, and a second antiferromagnetic layer formed on the metal layer. The anisotropy axis of the second antiferromagnetic layer and the ferromagnetic layer and that of the ferromagnetic free layer are arranged in parallel. The net magnetic moment of the antiferromagnetic layer interface between the second antiferromagnetic layer and the metal layer is close to zero. The memory has the advantages of lowering the switching field of the ferromagnetic layer and lowering the writing current.
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