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1 results

  • Effects of Low Magnetic Fields on Gold-YBCO Contacts

  • Yonhua Tzeng, Mitchell A. Belser
  • Journal:
    MRS Online Proceedings Library Archive / Volume 169 / 1989
    Published online by Cambridge University Press:
    28 February 2011, 1185
    Print publication:
    1989

  • The effects of low magnetic field (0–40 Gauss) on electrical properties of gold-YBCO contacts are investigated. The contact resistance increases significantly with applied magnetic fields. For high magnetic field or when high current is flowing through the contact, the contact resistance decays after removing the magnetic field to a finite value greater than that is measured before the contact is exposed to the magnetic field and stays there for long time as long as the sample is kept below the superconductivity critical temperature.