论文标题
迈向Skyrmion-Superconductor混合动力系统
Towards skyrmion-superconductor hybrid systems
论文作者
论文摘要
自旋偏振扫描隧道显微镜用于识别RE（0001）底物上不同薄膜的磁态，该薄膜的磁性在1.7 k以下变得超导。所有磁性膜都包含Fe/IR界面，该磁性膜均具有FE/IR界面，这旨在促进非粒子磁性的出现。对于具有不同厚度的超薄IR膜的Fe单层，我们发现了几种不同的原子级磁态。对于PD/Fe双层，我们发现纳米尺度的自旋螺旋是三个和四个原子层的IR厚度的磁接地态。在应用的磁场中，Skyrmions出现了，在延迟中，非平凡的磁纹理存活。这证明了在超导底物上准备Skryrmion-hosting磁性膜的可能性。
Spin-polarized scanning tunneling microscopy is used to identify the magnetic state of different thin films on a Re(0001) substrate, which becomes superconducting below 1.7 K. All magnetic films contain an Fe/Ir interface, which is known to facilitate the emergence of non-collinear magnetic order. For Fe monolayers on ultra-thin Ir films of different thickness we find several different atomic-scale magnetic states. For Pd/Fe bilayers we find nano-scale spin spirals as magnetic ground states for Ir thicknesses of three and four atomic layers. In applied magnetic fields skyrmions emerge, and in remanence non-trivial magnetic textures survive. This demonstrates the possibility to prepare skryrmion-hosting magnetic films on superconducting substrates.
