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Title: L1<sub>0</sub> Stacked Binaries as Candidates for Hard-Magnets: FePt, MnAl and MnGa.
Authors: Matsushita, Yu‐ichiro; Madjarova, Galia; Flores‐Livas, José A.; Dewhurst, J. K.; Felser, C.; Sharma, S.; Gross, E. K. U.
Abstract: We present a novel approach for designing new hard magnets by forming stacks of existing binary magnets to enhance the magneto crystalline anisotropy. This is followed by an attempt at reducing the amount of expensive metal in these stacks by replacing it with cheaper metal with similar ionic radius. This strategy is explored using examples of FePt, MnAl and MnGa. In this study a few promising materials are suggested as good candidates for hard magnets: stacked binary FePt2MnGa2 in structure where each magnetic layer is separated by two non-magnetic layers, FePtMnGa and FePtMnAl in hexagonally distorted Heusler structures and FePt0.5Ti0.5MnAl.
Subjects: MAGNETICS; MAGNETIC anisotropy; IONIC crystals; CRYSTAL structure; MAGNETIC properties
Publication: Annalen der Physik, 2017, Vol 529, Issue 8, pn/a
ISSN: 0003-3804
Publication type: Academic Journal
DOI: 10.1002/andp.201600412

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L1<sub>0</sub> Stacked Binaries as Candidates for Hard-Magnets: FePt, MnAl and MnGa.