Magnonics with skyrmions

具有斯格明子的磁子学

• 批准号: DP200101027
• 负责人: A/Prof Oleg Tretiakov
• 金额: $ 26.7万
• 依托单位: The University of New South Wales
• 依托单位国家: 澳大利亚
• 项目类别: Discovery Projects
• 财政年份: 2020
• 资助国家: 澳大利亚
• 起止时间: 2020-12-31 至 2024-12-15
• 项目状态: 已结题
• 来源: https://dataportal.arc.gov.au/RGS/Web/Grants/DP200101027
• 关键词: Magnonics; skyrmions

Skyrmions – nanoscale topologically protected spin textures, are considered as ideal candidates for encoding and transmitting bits of information. This burgeoning research field, however, suffers from the same limitations of all spintronic concepts – the high currents needed to move skyrmions. Magnonics is yet another emerging approach, which main aim is to investigate the behaviour of spin waves in magnetic nanostructures. In essence, spin waves are a propagating re-ordering of the magnetisation and therefore use the least amount of power, making them perfect for driving skyrmions. This project fuses skyrmions with magnonics. The central goal is the formulation of model for the magnon assisted manipulation of skyrmions and their lattices.

Skyrmions -纳米级拓扑保护的自旋纹理，被认为是编码和传输比特信息的理想候选者。然而，这一新兴的研究领域却受到所有自旋电子概念的同样限制--移动skyrmions所需的高电流。磁振子学是另一种新兴的方法，其主要目的是研究磁性纳米结构中自旋波的行为。本质上，自旋波是磁化的传播重新排序，因此使用最少的功率，使它们非常适合驱动skyrmion。这个项目融合了Skyrmions和Magnonics。中心目标是制定模型的磁振子辅助操纵skyrmions和他们的晶格。