NANOPERMAG: High Performance Nanostructure Permanent Magnets

Date:Jun 20, 2014

The development of a new generation of permanent magnets is more urgent than ever in view of the demand for more efficient engines in wind energy, all electric cars and space applications. The purpose of the project is to exploit the opportunities available to fabricate powders of magnetically hard rare earth intermetallic nanoparticles/nanograins to develop new classes of anisotropic nanocomposite magnets with previously unattainable high energy products, (BH)max. We will use both top-down and bottom-up approaches to develop these materials. This program will be directed towards the synthesis and investigation of magnetically hard powders consisting of anisotropic Sm-Co, Sm-Fe-N and Nd-Fe-B nanoparticles with sizes below 300 nm, and soft powders based on Fe(Co) nanoparticles with sizes in the range of 10-20 nm and with properties close to those of the bulk.

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