Manifestation of geometric resonance in current dependence of AC susceptibility for unshunted array of Nb-Alx-Nb Josephson junctions

Victor Anthony Garcia Rivera, S. Sergeenkov, E. Marega, F. M. Araújo-Moreira

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

A pronounced resonance-like structure has been observed in the current dependence of AC susceptibility for two-dimensional array of unshunted Nb-Alx-Nb Josephson junctions. Using a single-plaquette approximation, we were able to successfully fit our data assuming that resonance structure is related to the geometric (inductive) properties of the array.

Original languageEnglish
Pages (from-to)1946-1948
Number of pages3
JournalPhysica C: Superconductivity and its Applications
Volume470
Issue number21
DOIs
StatePublished - 15 Nov 2010
Externally publishedYes

Bibliographical note

Funding Information:
We are very grateful to R.S. Newrock, P. Barbara and C.J. Lobb for helpful discussions and for providing high quality SIS samples. This work has been financially supported by the Brazilian agencies CNPq, CAPES and FAPESP.

Keywords

  • AC susceptibility
  • Inductance related effect
  • Josephson junction array

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