论文标题
磁性纳米颗粒在无定形磁模板上的分层
Layering of magnetic nanoparticles at amorphous magnetic templates with perpendicular anisotropy
论文作者
论文摘要
我们揭示了从稀的水基铁铁液中的尺寸为5 nm，15 nm和25 nm的单分散磁铁矿纳米颗粒的组装，上面有空平面各向异性的无定形磁模板。从中子反射测量实验中，我们提取密度曲线，并表明颗粒在磁表面上自组装成层。对于底物的清洁和冲洗，这些层非常稳定。层的密度取决于颗粒的不分磁矩并增加。
We reveal the assembly of monodisperse magnetite nanoparticles of sizes 5 nm, 15 nm and 25 nm from dilute water-based ferrofluids onto an amorphous magnetic template with out-of-plane anisotropy. From neutron reflectometry experiments we extract density profiles and show that the particles self-assemble into layers at the magnetic surface. The layers are extremely stable against cleaning and rinsing of the substrate. The density of the layers is determined by and increases with the remanent magnetic moment of the particles.
