Sugar Coating of Boron Powder for Efficient Carbon Doping of MgB2 with Enhanced Current-Carrying Performance

Two B or not two B? A liquid solution of carbohydrates, such as plain sugar, with boron powder is developed for coating boron particles with a nanoscale carbon layer. This enables the effective substitution of boron atoms by carbon and homogeneous distribution of defects in the crystal lattice of th...

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Veröffentlicht in:Advanced materials (Weinheim) 2007-05, Vol.19 (10), p.1373-1376
Hauptverfasser: Zhou, S., Pan, A. V., Wexler, D., Dou, S. X.
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container_issue 10
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creator Zhou, S.
Pan, A. V.
Wexler, D.
Dou, S. X.
description Two B or not two B? A liquid solution of carbohydrates, such as plain sugar, with boron powder is developed for coating boron particles with a nanoscale carbon layer. This enables the effective substitution of boron atoms by carbon and homogeneous distribution of defects in the crystal lattice of the superconductor MgB2 during the solid‐state reaction. This in turn leads to significant enhancement of the material's current‐carrying properties (see figure).
doi_str_mv 10.1002/adma.200601659
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subjects Carbon
Crystal defects
Doping
Magnesium boride
Superconductors
title Sugar Coating of Boron Powder for Efficient Carbon Doping of MgB2 with Enhanced Current-Carrying Performance
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