Study of Josephson Tunneling Across a Bicrystal Superconductor Potential

Authors

  • Arvind Anand  Research Scholar, University Department of Physics, B. R. A. Bihar University, Muzaffarpur, Bihar, India
  • Dr. K. B. Singh  P. G. Department of Physics, L. S. College, Muzaffarpur, B. R. A. Bihar University, Muzaffarpur, Bihar, India
  • Prof. Gopal Jee  P. G. Department of Physics, L. S. College, Muzaffarpur, B. R. A. Bihar University, Muzaffarpur, Bihar, India

Keywords:

Josephson Tunneling, Temperature, Superconductor

Abstract

The mechanism of electrical transport through grain boundaries in high-temperature superconductors is still far from understanding. The high Tc grain boundaries (GB) junctions with mutually tilted C-axis have been fabricated with an order of magnitude lower GB meandering and up to a threefold increase of the Ic Rn - values as shown by Divin et.al. in the year 2002. A complete antiphase correlation has been low-frequency fluctuations of the resistance Rn and the critical current Ic have been observed in these junctions, thus showing that both quasiparticles and Cooper pairs tunnel directly through the same regions of the barrier as discussed by Liathi et. al. in the year 2006. Recently, they selected YBa₂Cu3O7-x GB junctions with characteristic voltage IR up to 8 mV that have been fabricated on NdGaO3 bicrystal substrates. In this present paper, we studied Josephson tunneling across a bicrystal superconductor potential.

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International Journal of Scientific Research in Science and Technology

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Published

2023-06-30

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Volume 10, Issue 4, July-August-2023

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Research Articles

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[1]
Arvind Anand, Dr. K. B. Singh, Prof. Gopal Jee "Study of Josephson Tunneling Across a Bicrystal Superconductor Potential" International Journal of Scientific Research in Science and Technology(IJSRST), Online ISSN : 2395-602X, Print ISSN : 2395-6011,Volume 10, Issue 4, pp.650-656, July-August-2023.