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A HYBRID SYNTHETIC ANTIFERROMAGNETIC LAYER FOR A PERPENDICULAR MAGNETIC TUNNEL JUNCTION (MTJ)
A HYBRID SYNTHETIC ANTIFERROMAGNETIC LAYER FOR A PERPENDICULAR MAGNETIC TUNNEL JUNCTION (MTJ)
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机译:垂直磁隧道结(MTJ)的混合合成抗铁磁层
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摘要
A magnetic tunnel junction (MTJ) device includes a free layer. The MTJ also includes a barrier layer coupled to the free layer. The MTJ also has a fixed layer, coupled to the barrier layer. The fixed layer includes a first synthetic antiferromagnetic (SAF) multilayer having a first perpendicular magnetic anisotropy (PMA) and a first damping constant. The fixed layer also includes a second SAF multilayer having a second perpendicular magnetic anisotropy (PMA) and a second damping constant lower than the first damping constant. The first SAF multilayer is closer to the barrier layer than the second SAF multilayer. The fixed layer also includes a SAF coupling layer between the first and the second SAF multilayers.
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