Evaluation and control of residual amorphous phases in carbon-doped MgB2 superconductors

Seyong Choi,Dipak Patel,Jung Ho Kim,Hiroaki Kumakura,Akiyoshi Matsumoto,Gen Nishijima,Su-Hun Kim,Jinho Joo,Minoru Maeda

Journal of Alloys and Compounds（2021）

引用 9|浏览20

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摘要

•Hydrocarbon doping into MgB2 materials retarded the formation of the main phase.•The doping thus led to an increase in amorphous impurities.•However, the content can be controlled by the optimization of the doping method.•The control of amorphous impurities can lead to enhancement of the transport Jc.

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关键词

Amorphous materials,Carbon doping,Critical current density,MgB2,X-ray diffraction

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