各向异性分布对双稳态铁磁微丝中局域形核场的影响
Effect of anisotropy distribution on local nucleation field in bistable ferromagntic microwires
摘要：
通过标度过程，解析地得到了确定具有正磁致伸缩的非晶铁磁微丝中局部形核场的临界参数。精确的成核场的数值计算得到的各向异性分布的几何参数的函数，这是充分考虑，而不是被平均了。它是建立的形核场的值主要取决于各向异性变化的陡度withing轴向和径向域之间的边界，而各向异性的最大值内的线或整体平均值是不相关的。
英文摘要：
Critical parameters defining the local nucleation field in amorphous ferromagnetic microwires with positive magnetostriction are obtained analytically through scaling procedures. Exact value of the nucleation field is obtained numerically as a function of geometric parameters of anisotropy distribution, which is fully taken into account instead of being averaged out. It is established that the value of nucleation field depends predominantly on the steepness of anisotropy change withing the boundary between axial and radial domains, while the maximal value of anisotropy inside the wire or an overall average is not relevant.
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