贵金属邻近效应产生的突现磁屏蔽和偶极子屏蔽
Emergent magnetic monopole and dipole screening by proximity effect with noble metal
摘要：
在这封信中，我们提出了紧急屏蔽磁偶极子和20纳米铝覆盖层的存在。我们的研究结果是在外加磁场阶跃后进行的磁原子力测量的基础上得到的。我们表明，磁化和电子布居的演变是由铝的存在和属性的邻近效应，这是负责在界面处的第一原子层的磁化消失的现象的影响。使用实验值来估计在紧急激发模型中使用的纳米磁偶极子值和在模拟中使用的开关场分布的不均匀性的减少，我们观察到实验和模拟结果之间非常好的一致性。所提出的紧急筛选可用于新的ASI几何形状的热力学激活或具有选择性磁迁移率的设备的建议。
英文摘要：
In this letter we present emergent screening of magnetic monopole and dipole by the presence of 20nm aluminum cover layer. Our results were obtained in base of magnetic atomic force measurements, performed after external magnetic field steps application. We show that the evolution of magnetization and monopole population is affected by the aluminum presence and attribute that phenomena to the proximity effect, which is responsible for the magnetization vanish of the firstatomic layers at the interface. Using experimental values to estimate the decrease in the nano-magnetic dipole value used in an emergent excitation model and in the switching field distribution heterogeneity used in simulations, we observe a very good agreement among experimental and simulation results. The presented emergent screening could be used in new ASI geometries for thermodynamic activation or proposition of devices with selective magnetic monopole mobility.
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