Plot of critical current density vs. magnetic field of MgB2 bulks with Dy2O3 doping. (Inset) Raman spectroscopy and nanometer-sized MgB2 grains. (IMAGE)

Shibaura Institute of Technology

Plot of critical current density vs. magnetic field of MgB2 bulks with Dy2O3 doping. (Inset) Raman spectroscopy and nanometer-sized MgB2 grains.

Caption

The low and high field critical current density of bulk MgB2 superconductors can be improved by a combination of optimum processing temperature and controlled addition (1Wt%) of Dy2O3 and amorphous nanometer-sized boron precursor, finds a new study by researchers from SIT, Japan.

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Muralidhar Miryala from SIT, Japan

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