Electrochemical synthesis and characterization of a NdCo<inf>5</inf>permanent magnet
This source preferred by Amor Abdelkader
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Authors: Abdelkader, A.M., Hyslop, D.J.S., Cox, A. and Fray, D.J.
Journal: Journal of Materials Chemistry
NdCo 5 was produced in a simple one-stage process by electro-deoxidising an inexpensive single phase solid oxide solution of Nd 2 O 3 and Co 3 O 4 . The reduction was performed in molten CaCl 2 at 900 °C and the cell operated at 3.1 V at a cathodic current density of 170 mA cm -2 for 12 hours. The magnetic properties of the product, measured using a vibrating magnetometer, closely matched that of pure and homogenous NdCo 5 . The reaction mechanism at the cathode is elucidated from partially reduced samples using electron microscopy, X-ray diffraction analysis and conductivity measurements. © 2010 The Royal Society of Chemistry.