Applications of magnetic skyrmions
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摘要: 近年来，磁性斯格明子在自旋电子学这门新兴学科中成为了一个重要的研究热点，备受人们关注。它是一种受拓扑保护的稳定自旋结构，具有尺寸小、退钉扎电流密度低和易操控等特点。与传统的磁畴壁、磁泡或者磁涡旋相比，磁斯格明子更有望作为数据信息的载体应用于未来的自旋电子学设备中，不仅可以大幅度地缩减器件的尺寸、降低能耗，同时也能确保信息的非易失性。文章重点介绍了磁性斯格明子在信息技术领域中的主要应用前景，比如信息存储、逻辑运算和神经形态计算等。Abstract: A magnetic skyrmion is a type of topologically protected swirling spin structure, and has been extensively studied in recent years. It can be manipulated by many external stimuli, is small in size, and has a low critical depinning current density. Compared with the conventional magnetic domain walls, bubbles, or vortices, skyrmions are thus more promising information carriers for future spintronics devices with ultra-low energy consumption and ultrahigh storage density. In this review we focus on the potential device applications based on magnetic skyrmions, such as information storage, logic computing, and neuromorphic computing.
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Keywords:
- magnetic skyrmion /
- spintronics /
- information technology
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