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Synthesis of SmCo5 by chemical reduction during mechanical alloying

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4 Author(s)
Yinong Liu ; Research Centre for Advanced Mineral and Materials Processing, University of Western Australia, Nedlands, W.A. 6009, Australia ; Dallimore, M.P. ; McCormick, P.G. ; Alonso, T.

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The synthesis of SmCo5 by the chemical reduction of Sm2O3 during mechanical alloying has been investigated using x‐ray diffraction, electron microscopy, and magnetic measurements. The mechanical alloying of Sm2O3 with Co and Ca resulted in the formation of CaO and an amorphous Sm‐Co phase. The SmCo5 phase formed during subsequent heat treatment exhibited coercivity greater than 33 kOe.

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Applied Physics Letters  (Volume:60 ,  Issue: 25 )