By Brian McNeill -
A team of scientists at Virginia Commonwealth University has synthesized a powerful new magnetic material that could reduce the dependence of the United States and other nations on rare earth elements produced by China.
"The discovery opens the pathway to systematically improving the new material to outperform the current permanent magnets," said Shiv Khanna, Ph.D., a commonwealth professor in the Department of Physics in the College of Humanities and Sciences.
The new material consists of nanoparticles containing iron, cobalt and carbon atoms with a magnetic domain size of roughly 5 nanometers.
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Ref: Experimental evidence for the formation of CoFe2C phase with colossal magnetocrystalline-anisotropy. Appl. Phys. Lett. 106, 213109 (2015) | http://dx.doi.org/10.1063/1.4921789