The team from the National High Magnetic Field Laboratory at Florida State University reported "surprising magnetic properties" in new superconductors based on iron and arsenic which they have called "doped rare earth iron oxyarsenides".
The research suggests that the material may have future applications including improved magnetic resonance imaging machines, and a new generation of superconducting electric motors, generators and power transmission lines.
Research on this substance is very much in its early stages, but the scientists are talking excitedly of "promise" and "potential".
The team includes Frank Hunte, a postdoctoral associate at the Applied Superconductivity Center, and David Larbalestier, Alex Gurevich and Jan Jaroszynski from the Oak Ridge National Laboratory in Tennessee.
"What we would like is a greater selection of superconductors, operating at higher temperatures, being cheaper and more capable of being made into round wires," said Larbalestier.
"Iron and arsenic, both inherently cheap materials, are key constituents of this totally new class of superconductors. We are just fascinated. It is superconductivity in places you never thought of."
Boffins find 'new class of superconductor'
By
Robert Jaques
on May 30, 2008 7:47AM
US researchers believe that they have discovered an entirely new kind of superconductor..
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