High dynamic resistance elements based on a Josephson junction array

Konstantin Yu Arutyunov (Corresponding Author), Janne S. Lehtinen

Research output: Contribution to journalArticleScientificpeer-review

Abstract

A chain of superconductor-insulator-superconductor junctions based on Al-AlOx-Al nanostructures and fabricated using conventional lift-off lithography techniques was measured at ultra-low temperatures. At zero magnetic field, the low current bias dynamic resistance can reach values of ≈1011 Ω. It was demonstrated that the system can provide a decent quality current biasing circuit, enabling the observation of Coulomb blockade and Bloch oscillations in ultra-narrow Ti nanowires associated with the quantum phase-slip effect.

Original languageEnglish
Article number32
Pages (from-to)417-420
Number of pages4
JournalBeilstein Journal of Nanotechnology
Volume11
DOIs
Publication statusPublished - 2020
MoE publication typeA1 Journal article-refereed

Keywords

  • Dynamic resistance
  • Josephson junction array
  • Nanoelectronics
  • Quantum phase slip
  • Superconductivity
  • Ti nanowires

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