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Keywords:

  • nanoparticle assembly;
  • non-rare-earth alloys;
  • permannet magnets;
  • high-energy materials
Thumbnail image of graphical abstract

The development of new magnetic materials is of paramount importance to surmount significant worldwide challenges in energy and environmental security. On page 6090, David J. Sellmyer, Balamurugan Balasubramanian, and co-workers report a novel hybrid nanomagnetic material having the highest energy product for permanentmagnet materials free of critical rare-earth elements or expensive Pt. This is achieved in a single-step process by assembling the easy-axis aligned high-anisotropy nanoparticles with a high-magnetization soft Fe-Co phase.