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首页> 外文期刊>IEEE Transactions on Magnetics >Computational Search for Ultrasmall and Fast Skyrmions in the Inverse Heusler Family
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Computational Search for Ultrasmall and Fast Skyrmions in the Inverse Heusler Family

机译:在反向Heusler家族中的超超级和快速臭鼬计算

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摘要

Skyrmions are magnetic excitations that are potentially ultrasmall and topologically protected, thus making them interesting for high-density all-electronic ultrafast storage applications. While recent experiments have confirmed the existence of various types of skyrmions, their typical sizes are much larger than traditional domain walls, except at very low temperature. In this article, we explore the optimal material parameters for hosting ultrasmall, fast, and room temperature stable, isolated Neel (hedgehog) skyrmions. As concrete examples, we explore potential candidates from the inverse Heusler family. Using first-principles calculations of structural and magnetic properties, we identify several promising ferrimagnetic inverse Heusler half-metalear half-metals and analyze their phase space for size and metastability.
机译:Skyrmions是磁激励,潜在的超强和拓扑保护,从而使其对高密度全电子超快速存储应用的有趣。虽然最近的实验证实了各种类型的臭氧的存在,但除了极低温度外,它们的典型尺寸远大于传统的畴壁。在本文中,我们探索了托管超大,快速,室温稳定,孤立的尼尔(Hedgehog)Skyrmions的最佳材料参数。作为具体的例子,我们探讨了逆风岭家族的潜在候选人。使用结构和磁性的第一原理计算,我们识别几个有前途的铁磁性逆风飞机半金属/接近半金属,并分析它们的尺寸和稳定性的相空间。

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