The Influence of Synthesis Parameters on Microstructures and Superconducting Properties of MgB2 Bulks

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dc.creatorWu, Y. F.
dc.creatorFeng, Y.
dc.creatorYan, G.
dc.creatorLi, J. S.
dc.creatorTang, H. P.
dc.creatorChen, S. K.
dc.creatorZhao, Y.
dc.creatorPu, M. H.
dc.creatorXu, H. L.
dc.creatorLi, C. S.
dc.creatorLu, Y. F.
dc.date2006-03-21
dc.date2006-03-23
dc.date.accessioned2026-07-07T08:54:03Z
dc.date.available2026-07-07T08:54:03Z
dc.descriptionWe succeeded in the synthesis of high-Jc MgB2 bulks via high energy ball-milling of elemental Mg and B powder at ambient temperatures. Alternatively to longtime mechanical alloying technique, the mixed powder was ball-milled for only 1h and the completed reaction is achieved by subsequent annealing. The correlations among synthesis parameters, microstructures and superconducting properties in MgB2 bulks were investigated. Samples were characterized by XRD and SEM, and the magnetization properties were examined in a SQUID magnetometer. The high- Jc, approximately 1.7*106A/cm2(15K, 0.59T), and improved flux pinning were attribute to a large number of grain boundaries provided by small grain size.
dc.description19 pages, 12 figures,figure9 is replaced for it repeats with figure 10 by mistake
dc.identifierhttps://arxiv.org/abs/cond-mat/0603536
dc.identifierhttp://arxiv.org/abs/cond-mat/0603536
dc.identifierPhysica C 467 (2007) pp.38_42
dc.identifierdoi:10.1016/j.physc.2007.08.010
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/145794
dc.subjectSuperconductivity
dc.titleThe Influence of Synthesis Parameters on Microstructures and Superconducting Properties of MgB2 Bulks
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