摘要
The synthesis and self-assembly of tetragonal phase-containing L10-Fe55Pt45 nanorods with high coercive field is described. The experimental procedure resulted in a tetragonal/cubic phase ratio close to 1：1 for the as-synthesized nanoparticles. Using different surfactant/solvent proportions in the process allowed control of particle morphology from nanospheres to nanowires. Monodisperse nanorods with lengths of 60 ＋ 5 nm and diameters of 2-3 nm were self-assembled in a perpendicular oriented array onto a substrate surface using hexadecylamine as organic spacer. Magnetic alignment and properties assigned, respectively, to the shape anisotropy and the tetragonal phase suggest that the self-assembled materials are a strong candidate to solve the problem of random magnetic alignment observed in FePt nanospheres leading to applications in ultrahigh magnetic recording （UHMR） systems capable of achieving a performance of the order of terabits/in2.
合成并且有高强制的地的四角形的包含阶段的 L10-Fe55Pt45 nanorods 自己组装被描述。试验性的过程为同样综合的 nanoparticles 导致了四角形 / 立方的阶段比率结束到 1:1。在这进程使用不同表面活化剂 / 溶剂比例从 nanospheres 允许粒子形态学的控制到 nanowires。有一些 60 的 Monodisperse
