Published in
Springer Verlag, JOM Journal of the Minerals, Metals and Materials Society, 6(67), p. 1318-1328
DOI: 10.1007/s11837-015-1431-7
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Toward Rare-Earth-Free Permanent Magnets: A Combinatorial Approach Exploiting the Possibilities of Modeling, Shape Anisotropy in Elongated Nanoparticles, and Combinatorial Thin-Film Approach
,
A. Edström,
O. Eriksson,
Peter Toson ,
Josef Fidler,
E. Anagnostopoulou,
U. Sanyal,
F. Ott,
L.-M. Lacroix,
G. Viau
and other authors.
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Abstract
The objective of the rare-earth free permanent magnets (REFREEPM) project is to develop a new generation of high-performance permanent magnets (PMs) without rare earths. Our approach is based on modeling using a combinatorial approach together with micromagnetic modeling and the realization of the modeled systems (I) by using a novel production of high-aspect-ratio (>5) nanostructrures (nanowires, nanorods, and nanoflakes) by exploiting the magnetic shape anisotropy of the constituents that can be produced via chemical nanosynthesis polyol process or electrodeposition, which can be consolidated with novel processes for a new generation of rare-earth free PMs with energy product in the range of 60 kJ/m3