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Physical properties of MgB2 and its potential as a superconducting material.

[In Japanese. / En japonais.]

Author(s) : TAJIMA S.

Type of article: Article

Summary

The electronic state of an MgB2 superconductor is reviewed, focusing on its characteristics properties such as the multi-bands and multi-gaps. The presence of two superconducting gaps causes the temperature dependence of the anisotropy in the upper critical fields. The carbon impurities can be substituted for B and act as strong scattering centers, particularly for the sigma-band carriers. The s-wave symmetry of the gaps is an advantage to achieve a higher critical current.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 2007-0496
  • Languages: Japanese
  • Source: Journal of the Cryogenic Society of Japan - vol. 41 - n. 11
  • Publication date: 2006

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