Superconductor Record Broken
The record for the most powerful magnetic field surrounded by a superconductor has been broken. Once this would have been a typical event, with records dropping regularly, but this was the first time in eleven years development has been made. Superconductors are distinct by their capacity to conduct electricity with no resistance whatsoever. They also disturb magnetic fields, but their superconductivity is subtle both to warm temperatures and to huge magnetic fields. The record field of 17.2 Tesla was established in 2003, and regardless of many efforts the record stood until Professor David Cardwell declared in Superconductor Science and Technology that his group at Cambridge University had accomplished a field of 17.6T. “High” temperature superconductors, ones that work over the boiling point of liquid nitrogen (
-196°C) are prepared of
metal oxides, but we have a poor understanding of which metal mixtures will
Image Credit: University of Cambridge, CC-BY. Superconductors can ascend magnets by ejecting magnetic fields, and can also trap them.
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Superconductor Record Broken Reviewed by Umer Abrar on 7/01/2014 Rating: