Carbohydrate doping to enhance electromagnetic properties of MgB2 superconductors
作者： Jung Ho Kim , Sihai Zhou , MSA Hossain , Alexey V Pan , SX Dou
DOI: 10.1063/1.2358947
关键词: Lattice constant 、 Doping 、 Type-II superconductor 、 Chemical engineering 、 Materials science 、 Malic acid 、 Condensed matter physics 、 Superconductivity 、 Homogeneous 、 Carbohydrate 、 Microstructure
摘要: The effect of carbohydrate doping on lattice parameters, microstructure, Tc, Jc, Hirr, and Hc2 MgB2 has been studied. In this work the authors used malic acid as an example carbohydrates additive to MgB2. advantages include homogeneous mixing precursor powders, avoidance expansive nanoadditives, production highly reactive C, significant enhancement in MgB2, compared undoped samples. Jc for MgB2+30wt% C4H6O5 sample was increased by a factor 21 at 5K 8T without degradation self-field Jc.
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