Sm-Fe-Co-M-N (M=Cr, V)系化合物の微細構造解析

抄録

The microstructures of R₃(Fe, M)₂₉ compounds in the compositional range between 2-17 and 1-12 phases have been studied by using High-Resolution Transmission Electron Microscopy(HRTEM).
The purpose of this paper is to investigate the crystal structures and the lattice constant of Sm₃(Fe, Co, M)₂₉(M=Cr, V) compounds and their nitrided ones.
As a result, it was revealed by the electron diffraction and lattice image analysis that the crystal of the main phase in the nitrided samples has a hexagonal structure and its crystal form is not influenced by the nitrifying.
The lattice constant of Sm₃(Fe_0.75Co_0.10Cr_0.15)₂₉ are a=2.432nm and c=2.088nm and the unit cell is composed by the stacking five cells of CaCu₅ along a and c axes.