The HRTEM shows the nanoparticles form in a core-shell structure, with the size of the particles in range of 5-60 nm and the thickness of the shell 2-4 nm.
高分辨电镜显示该纳米颗粒具有壳核结构,核为纳米Ni及Ni-Al合金,壳为Al2O3/NiO复合氧化物。
The HRTEM and X-ray energy-dispersive spectrum(EDS) as well as X-ray photoelectron spectrum(XPS) show the nanoparticles form in a core-shell structure.
结果高分辨电镜(HRTEM)和能量散射谱(EDS)以及XPS光电子能谱研究表明该复合粉体颗粒具有壳核结构,颗粒的尺寸为20~200 nm,核为Fe纳米颗粒,壳为Ni-P合金,其厚度为3~10 nm。