利用铁磁和超导模板在薄膜中压印Skyrmions
Imprinting skyrmions in thin films by ferromagnetic and superconducting templates
摘要：
磁性Skyrmions是新一代存储器中很有希望的信息载体。如何产生和稳定skyrmions是其成功应用于技术的关键。在这里，我们从理论上证明，阵列的skyrmions可以印在大量的铁磁薄膜，使磁性纳米结构的模板接近薄膜。研究了目前纳米技术所允许的两种模板：铁磁纳米棒阵列和超导涡旋。Skyrmion是在磁性薄膜短时间暴露于模板场时产生的，并且在去除模板后保持稳定。
英文摘要：
Magnetic skyrmions are promising candidates as information carriers in a new generation of memories. How to generate and stabilize skyrmions is essential for their successful application to technology. Here we theoretically demonstrate that arrays of skyrmions can be imprinted in ultrathin ferromagnetic films in large numbers by bringing a magnetic nanostructured template close to the film. Two kind of templates, allowed by present-day nanotechnologies, are studied: arrays of ferromagnetic nanorods and superconducting vortices. Skyrmions are generated when exposing magnetic films to the template fields for short times and remain stable after removing the template.
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