With the magnetic field turned on, the iron layers both magnetize, say, in the spin-up direction, so all of the spin-down electrons move through the entire sample without scattering.

加上磁场后，两个铁层都被磁化，假如是上方向，那么所有下自旋的电子移动通过整个样本都没有散射。

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However the magnetic excitations in these materials, like phonon, will likely couple with incident photons and hence an inelastic light scattering process can occur.

然而这些介质中的磁性激发和声子一样是能够与入射光发生作用，造成非弹性散射的。

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We have developed a method that uses a magnetic double barrier tunnel junction to study spin flip scattering in nanometer sized spacer layers near the ballistic limit.

文章作者提出了一种使用双势垒磁性隧道结来研究纳米尺度结构中弹道区域的自旋翻转散射效应的新方法。

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