Theoretical investigation on tunneling magnetoresistance in ferromagnetic/anti-ferromagnetic core/s

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把模拟基于蒙特卡罗,磁滞现象行为和合成 nanoparticles 与的通道磁致电阻(TMR ) 上的结构的配置的效果铁磁性(FM ) core/anti-ferromagnetic (AFM ) 壳被调查。模仿的结果显示 composites 的强制领域(H c ) 与核心半径(r 核心) 的减少的比率增加到壳半径(r 壳) 。当到 r 核心的 r 壳的比率正在接近 4:3 时, H c 与增加 AFM 厚度减少。另外, TMR 被发现与 r 核心的减少的比率增加到 r 壳,源于在混乱 AFM 壳的抵抗
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