Abstract

X-ray and neutron diffraction measurements have been performed on amorphous ( a-)CeFe 2D 3.9 prepared by deuterium absorption of the C15 Laves phase compound CeFe 2. Comparison of previous results for amorphous ( a-)TbFe 2D 3.9 indicates differences in the location of deuterium atoms. A three-dimensional structural model is proposed for a-CeFe 2D 3.9 on the basis of reverse Monte Carlo (RMC) simulation with X-ray and neutron data. Marked differences in the location of deuterium atoms were found between a-TbFe 2D 3.9 and a-CeFe 2D 3.9.

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