Magnetothermal conductivity of Bi2Sr2CaCu2Ox bulk superconductor in high magnetic fields

S. C. Nakamae, J. Schwartz

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Abstract

The magnetothermal conductivity of high-temperature superconductors (HTS) reflects the scattering processes between the charge carriers, phonons, and vortices. Therefore, the magnetothermal conductivity can provide information about the vortex dynamics. Here, we report thermal conductivity measurements of bulk Bi2Sr2CaCu2Ox superconductors in an applied magnetic field up to 20 Tesla. The measurements were taken over a wide range of temperatures around Tc. The superconducting parameters were successfully recovered from the obtained data using the theoretical model developed by Ausloos and Houssa [J. Phys. Condens. Matter 7, 193 (1995)], in which the change in thermal conductivity in the applied magnetic field is predominantly due to the scattering between the vortex lines in the superconductor and the normal electrons in the Cu-O planes.

Original languageEnglish (US)
Pages (from-to)4931-4933
Number of pages3
JournalJournal of Applied Physics
Volume81
Issue number8 PART 2B
StatePublished - Apr 15 1997

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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