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Thermal diffusivity and conductivity measurements of bismuth-2223 oxide superconductor under an identical experimental setup.

[In Japanese. / En japonais.]

Author(s) : FUJISHIRO H., IKEBE M., NAITO T., MATSUKAWA M., NOTO K.

Type of article: Article

Summary

The thermal diffusivity and the conductivity were measured between 12 and 200 K under an identical experimental setup using a closed cycle helium refrigerator. The electronic contribution to the thermal conductivity was calculated by Wiedemann-Franz law above the critical temperature and by Kadanoff's expression below the critical temperature. The electronic component was substracted from the total thermal conductivity in order to derive the phonon thermal conductivity. The phonon thermal conductivity was analyzed.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1994-3364
  • Languages: Japanese
  • Source: Cryogenics/ Cryog. Eng. - vol. 28 - n. 10
  • Publication date: 1993
  • Document available for consultation in the library of the IIR headquarters only.

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