Superconducting properties of sintered bulk MgB2 prepared from hexane-mediated high-energy-ultra-sonicated boron

•Ultra-sonication is a cost effective novel technique to refine precursor boron powder.•MgB2 bulk made of boron ultra-sonicated in hexane showed refined grains.•Special Mg-B-O nano-grains and layers formed on pore surfaces.•MgB2 bulk prepared of boron ultra-sonicated for 30 min showed 20% Jc increme...

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Veröffentlicht in:	Materials science & engineering. B, Solid-state materials for advanced technology Solid-state materials for advanced technology, 2021-03, Vol.265, p.115030, Article 115030
Hauptverfasser:	Arvapalli, S.S., Miryala, M., Sunsanee, P., Jirsa, M., Murakami, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Boron Bulk MgB2 Cheap commercial boron Critical current density Dispersants Flux pinning Grain boundaries Hexane dispersant Hexanes High-energy ultra-sonication Magnesium compounds Superconductivity
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