Doping MgB2 Superconductors Doubles the Magnetic Field They Can Withstand

At the U. S. Department of Energy’s Ames Laboratory, a basic research effort to enhance the properties of magnesium diboride, MgB₂, superconductors by doping them with carbon atoms has doubled the magnetic field the material can withstand. The work may one day ease the expense associated with current superconducting materials that generate the intense magnetic fields required for such applications as magnetic resonance imaging for medical diagnostics, high-field magnets for research, and superconducting magnets for particle accelerators. The Basic Energy Sciences Office of the DOE’s Office of Science supports the fundamental research on MgB₂ as part of an experimental effort on superconductivity and correlated systems at Ames Laboratory.

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