Abstract

X-ray K-absorption edges along with their extended x-ray absorption fine structure (EXAFS) were recorded using a Cauchois-type bent crystal spectrograph of 0.4 m radius in the transmission mode for three intermetallic compounds, Nd 2 Co 17 , NdCo 5 and Ndco 3 . Using the graphical method for the determination of bond distances, total phase shifts δ 1 and phase parameter β 1 were estimated for the three intermetllllics. A linear variation was observed between δ 1 and k. Also, the values of average metal-ligand bond distances estimated by the different methods were in good agreement.

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