2015年10月1日 · Single phase L1 0 structure achieved in compounds with 55 to 65 at% Mn. Saturation polarisation of 0.81 T measured in the L1 0 phase in Mn 55 Ga 45. Milled Mn–Ga L1 0 powder showed greatly increased coercivity. L1 0 hot compacts could be produced with a packing density of 83–99%.

2005年8月1日 · In this paper we present an overview of various features of the structure of L1 0 magnetic phase. We discuss the various microstructural features which occur in these materials due to the changes in symmetry (translational and orientational domains) as well as the relationship between the crystal symmetry and features such as the thermodynamic ...

2021年7月5日 · We successfully fabricated L 1 0 ordered FePt and FePt-C (30 vol %) films without heat treatment by using electric treatment. The magnetic properties and structure of L 1 0 FePt and FePtC films with different applied voltage and treatment time (t) have been investigated.

2022年10月19日 · Based on the results of X-ray diffraction investigations, the B2 → Θ (L10) structural phase change was detected. Vibrating sample magnetometer and differential scanning calorimetry experiments revealed that the alloy exhibits a ferromagnetic transition as well as a thermoelastic martensitic transformation.

To obtain nanoparticles with a fully ordered fct or L10 crystal structure, which possesses very high uniaxial magnetocrystalline anisotropy, an annealing step to 500 °C is required. To understand the formation of the fcc to L10 phase transition transmission electron microscopy (TEM) was used to visualize the transition of individual particles.

2020年9月18日 · The higher level of initial compressive stress (− 7.8 GPa) in FePt/Ag/FePt films results in L10 phase formation at a temperature of 700 °C which is about 100 °C lower than in films with Ag bottom (− 3.6 GPa) and top (+ 0.86 GPa) layers.

面心四方结构（L10相）的FePt复合纳米磁性颗粒具有极高的磁晶各向异性能、高饱和磁化强度、极小的超顺磁极限颗粒尺寸和优异的化学稳定性, 是下一代超高密度垂直磁记录介质最有希望的候选材料，在药物定向载体、纳米检测和敏感器件、功能化细胞研究等 ...

2023年12月11日 · 为了开发基于 L10 相 FePt 点阵列的构建块以用于进一步的自旋电子应用，采用了电子束光刻的雕刻技术。 本文描述了规则放置的各种形状的 FePt 点的制造以及形态和磁性表征，作为集成到纳米逻辑器件的先决条件。

2006年11月17日 · FePt纳米粒子在超高密度记录介质和高性能永磁体等先进磁性材料中具有巨大的应用潜力。应用的关键是 L10-FePt 相的非常高的单轴磁晶各向异性，它基于面心四方 (fct) 结构的晶体有序性，由化学有序参数 S 描述。更高的化学有序性导致更高的磁晶各向异性。

以四角磁晶各向异性能和磁弹性能为重点，对L10-FePt合金单层膜的磁滞回线进行了详细的分析，并且用微磁学方法确定了薄膜面内应力的大小. 搜索 所有 标题 作者 关键词 摘要 Doi 栏目 作者单位 基金 PACS