Neutron Diffraction Studies of NdnFem₋ₓ₋yVₓAly [(N,m)=(1,12), (2,17), (3,29)]
Several NdnFem-x-yVxAly [(n,m)=(1,12), (2,17), (3,29)] samples were prepared and analyzed using neutron powder diffraction. Rietveld analysis of the neutron diffraction data indicates that the V and Al substituents take those sites with similar environments in all three phases, as observed in our previous study of Ti-substituted compounds. It was confirmed that the diffraction data of the 3:29 compound can be better refined using the A2/m space group than using the P21/c space group. The SQUID measurements show that all samples have Curie temperatures well above room temperature. The neutron diffraction results show that the easy direction is along the a axis for the 3:29 compounds, along the c axis for the 1:12 compounds and in the a-b plane for 2:17 compounds, respectively. The average site magnetic moments, the metal-metal bond lengths and the unit cell parameters of these compounds are compared with those of the Ti-substituted compounds. © 1996 American Institute of Physics.
Z. Hu et al., "Neutron Diffraction Studies of NdnFem₋ₓ₋yVₓAly [(N,m)=(1,12), (2,17), (3,29)]," Journal of Applied Physics, American Institute of Physics (AIP), Jan 1996.
The definitive version is available at https://doi.org/10.1063/1.362704
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© 1996 American Institute of Physics (AIP), All rights reserved.