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To reduce the cost of the Nd-Fe-B magnets, Ce which is one of the most abundant rare earth metals in the world, is suggested to be used as a replacement of Nd element.
CaFe4As3 is a new intermetallic structure type that can be described as a framework comprising of FeAs4 tetrahedra. The structure has similarities to the 1‐2‐2 superconducting phase in that the Fe/As network is related to the ThCr2Si2 structure. In addition, this phase shows magnetic transitions associated with spin density waves. This phase was prepared from a Sn flux, and it has recently been reported...
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