L10 Stacked Binaries as Candidates for Hard-Magnets: FePt, MnAl and MnGa

Yu Ichiro Matsushita*, Galia Madjarova, José A. Flores-Livas, J. K. Dewhurst, C. Felser, S. Sharma, E. K.U. Gross

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


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.

Original languageAmerican English
Article number1600412
JournalAnnalen der Physik
Issue number8
StatePublished - Aug 2017
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2017 by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim


  • DFT calculations
  • Heusler compounds
  • L10 binary
  • hard magnets


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