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首页> 外文期刊>Inorganic materials >Effect of Fine-Particle NbC Additions on the Structure and superconducting Properties of (Bi, Pb)_2Sr_2Ca_2Cu_3O_10+x Ceramics
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Effect of Fine-Particle NbC Additions on the Structure and superconducting Properties of (Bi, Pb)_2Sr_2Ca_2Cu_3O_10+x Ceramics

机译:细颗粒NbC添加对(Bi,Pb)_2Sr_2Ca_2Cu_3O_10 + x陶瓷的结构和超导性能的影响

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摘要

(Bi.Pb)-2223 superconducting ceramics prepared by heat treatment at 840deg.c and containing 0.1 to 0.5 wt /100 fine-particle NbC additions were characterized by microstructural analysis, x-ray diffraction, and magnetic susceptibility measurements. The introduction of 0.1 wt /100 NbC was found to raise the 77-k zero- field critical current density by a factor of 2 to 3, reduced the superconducting transition with and slightly
机译:通过微观结构分析,X射线衍射和磁化率测量,表征了(Bi.Pb)-2223超导陶瓷,该陶瓷通过在840°C的温度下热处理而制成,并包含0.1至0.5 wt / 100的细颗粒NbC添加物。发现引入0.1 wt / 100 NbC可以将77-k零场临界电流密度提高2到3倍,并在一定程度上降低了超导转变。

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