论文标题
薄型NICU膜中磁相的反向自旋效应的独立性
Independence of the inverse spin Hall effect with the magnetic phase in thin NiCu films
论文作者
论文摘要
在3D铁磁体中观察到了大型旋转角度，但是它们的起源，尤其是它们与铁磁秩序的联系尚不清楚。在这里，我们使用自旋泵化实验研究了Ni60cu40和Ni50cu50的抗旋转厅效应。我们证明，这些样品中的旋转霍尔效应与铂的效应相当，并且对磁顺序不敏感。这些结果指向了过渡的海森堡局部模型，并表明3D铁磁体中的大型自旋霍尔效应可以独立于磁相。
Large spin Hall angles have been observed in 3d ferromagnets, but their origin, and especially their link with the ferromagnetic order, remain unclear. Here, we investigate the inverse spin Hall effect of Ni60Cu40 and Ni50Cu50 across their Curie temperature using spin pumping experiments. We evidence that the inverse spin Hall effect in these samples is comparable to that of platinum, and that it is insensitive to the magnetic order. These results points towards a Heisenberg localized model of the transition, and suggest that the large spin Hall effects in 3d ferromagnets can be independent of the magnetic phase.
