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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Substantial enhancement in the performance of a spin valve through the ultra-thin insertion of partially oxidized Fe
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Substantial enhancement in the performance of a spin valve through the ultra-thin insertion of partially oxidized Fe

机译:通过超薄插入部分氧化的铁,显着提高旋转阀的性能

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摘要

We found that the ultra-thin insertion of a mix of Fe and Fe oxide in the pinned layer substantially enhanced the performance of a spin valve. With the exchange bias field kept large, the giant magnetoresistance ( GMR) reached 11.3%, which corresponded to a 46% increase in GMR compared with the GMR of spin valves without the insertion. We attribute this considerable enhancement to spin-dependent scattering boosted by the combined effect of the modified local electronic structures at the Fe and specular reflections at the alpha-Fe2O3 of the insertion.
机译:我们发现,在被钉扎层中超薄地插入Fe和Fe氧化物的混合物会显着增强自旋阀的性能。在交换偏置磁场保持较大的情况下,巨磁电阻(GMR)达到11.3%,与不插入旋转阀的GMR相比,GMR增加了46%。我们将这种可观的增强归因于在Fe处修饰的局部电子结构与插入处的alpha-Fe2O3处的镜面反射的组合效应所促进的自旋依赖性散射。

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