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Origin of MA in pure Ce2Co17: It had been argued that the dumbbell Co sites in Ce2Co17 have very negative contribution to the perpendicular magnetic anisotropy (PMA) [2], however a quantitative analysis of MA using DFT in this system is lacking. Using DFT, we resolve the magnetic anisotropy energy (MAE) into sublattice and investigate how MAE evolves when structure changes from CeCo5 to Ce2Co17. By...
Recent concern for supply and price of rare earth (RE) metals has stimulated the search for alternative magnets [1]. Alnico is an attractive non-RE magnet alloy due to its excellent magnetic stability. However, the best energy product (BH)max of the magnets is only about 10 MGOe. A key to improving the magnetic properties is to enhance coercivity Hci by optimizing composition and microstructure [2]...
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