2005年1月1日 · Hot stage in transmission electron microscope has been used to study the structure and stability of Nd-rich phase in NdFeB magnet. The present observation shows that the so-called complex cubic phase is in fact the prototype of Mn 2 O 3 (space group Ia 3) with lattice parameter of a = 1.08 nm.

2022年10月28日 · 中国稀土学报 Journal of the Chinese Society of Rare Earths ISSN 1000-4343,CN 11-2365/TG 《中国稀土学报》网络首发论文 题目： Nd-Fe-B 速凝合金晶界相组成与组织结构的 TEM 研究 作者： 李彦儒，李安华，冯海波，李卫 网络首发日期： 2022-10-27 引用格式： 李彦儒，李安华，冯 ...

2015年1月1日 · The microstructural model of the grains and intergranular phases, which is used for theoretical simulations, has been derived from a detailed nanoanalytical TEM/STEM study of a Dy/Tb free magnet and a high coercive (Nd,Tb)-Fe-B magnet. Special attention is laid on the EELS analysis of GB with a thickness ranging from 2 - 30 nm. This analysis ...

晶体取向定义为晶体的3个晶轴（图 [100]- [010]- [001]）在样品坐标系（如轧板的RD（rolling direction，轧向）-TD（transverse direction，侧向或横向）-ND（normal direction，法向）的相对方位。 从“静态”的角度看，取向的概念就是如下图所示的两个坐标系各轴相互间的夹角关系。 设α1、β1、γ1是晶体坐标轴 [100]与样品坐标轴RD,TD,ND的夹角，α2、β2、γ2是晶体坐标轴 [010]与样品坐标轴RD,TD,ND的夹角，α3、β3、γ3是晶体坐标轴 [001]与样品坐标轴RD,TD,ND的夹角。

2025年1月23日 · The University of Notre Dame’s Integrated Imaging Facility (NDIIF) has helped Armenia reach a historic milestone by supporting the acquisition and implementation of the country’s first-ever high-resolution transmission electron microscope (TEM). This achievement marks a significant step forward for scientific research in Armenia.

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We propose a technique for pumping Nd: YVO 4 with high optical power at 888 nm while making absorption independent of the pump light polarization state. This is especially suitable for systems end pumped by high-power, high-brightness fiber-coupled diode sources associated with long vanadate crystals to effectively spread the heat load in a ...

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