Sonochemical Modification of the Superconducting Properties of MgB2

Details Sonochemical Modification of the Superconducting Properties of MgB2 Sonochemical Modification of the Superconducting Properties of MgB2

2003-05-13

arxiv.org/abs/cond-mat/0305303v1

Applied Physics Letters, 83 (10), 2019-2021 (2003)

Physics

Condensed Matter

Superconductivity

Scientific paper

10.1063/1.1609248

Ultrasonic irradiation of magnesium diboride slurries in decalin produces material with significant inter-grain fusion. Sonication in the presence of Fe(CO)5 produces magnetic Fe2O3 nanoparticles embedded in the MgB2 bulk. The resulting superconductor-ferromagnet composite exhibits considerable enhancement of the magnetic hysteresis, which implies an increase of vortex pinning strength due to embedded magnetic nanoparticles.

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