High critical current density of a MgB_2 bulk superconductor high-pressure synthesized directly from the elements

C-Q. Jin; S-C. Li; J-L. Zhu

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High critical current density of a MgB_2 bulk superconductor high-pressure synthesized directly from the elements

机译：High critical current density of a MgB_2 bulk superconductor high-pressure synthesized directly from the elements

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摘要

We report the property studies of a MgB_2 superconductor with high critical current density. The MgB_2 superconductor was readily fabricated through a direct high-pressure synthesis of the respective elements. The obtained high-density MgB_2 undergoes a sharp superconducting transition at 39 K. The bulk critical current density (J_c) of the sample was calculated on the basis of Bean's critical state model, and rather high critical current densities over a wide temperature range were obtained in comparison with the ambient prepared samples. The results highlight that high-pressure sintering would be a promising way to produce and search for this kind of intermetallic boride and the related superconductors.

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来源
《Journal of Materials Research》 |2002年第3期|525-527|共3页
作者
C-Q. Jin; S-C. Li; J-L. Zhu;
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作者单位

Laboratory for extreme condition physics, Institute of Physics, Center for condensed matter physics, and Beijing high pressure research center, Chinese Academy of Sciences, P.O. Box 603, Beijing 100080, P.R. China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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正文语种英语
中图分类工程材料学;
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High critical current density of a MgB_2 bulk superconductor high-pressure synthesized directly from the elements

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