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Current status of thin-film synthesis and junction fabrication of MgB2 and future prospects for device application.

[In Japanese. / En japonais.]

Author(s) : NAITO M.

Type of article: Article

Summary

The article reviews the development over the past six years in the thin-film growth and junction fabrication of superconducting MgB2 materials, including future prospects for MgB2 superconducting electronics. The most serious problem in the thin-film growth of MgB2 is the high Mg vapour pressure required for phase stability. This problem has made in-situ film growth difficult. At present, however, high-quality in-situ films can be prepared either by a low-temperature route or a high-temperature route. Current best films substantially exceed bulk single crystals in size and quality. The technology to fabricate MgB2 junctions has also shown great progress, and now all-MgB2, SIS Josephson junctions are realized, which demonstrates a great potential for MgB2 in superconducting electronics.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 2007-0497
  • Languages: Japanese
  • Source: Journal of the Cryogenic Society of Japan - vol. 41 - n. 11
  • Publication date: 2006

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