Rf superconducting quantum interference device metamaterials

N. Lazarides, G. P. Tsironis

Research output: Contribution to journalArticle

64 Citations (Scopus)

Abstract

A rf superconducting quantum interference device (SQUID) array in an alternating magnetic field is investigated with respect to its effective magnetic permeability, within the effective medium approximation. This system acts as an inherently nonlinear magnetic metamaterial, leading to negative magnetic response, and thus negative permeability above the resonance frequency of the individual SQUIDs. Moreover, the permeability exhibits oscillatory behavior at low field intensities, allowing its tuning by a slight change of the intensity of the applied field.

Original languageEnglish
Article number163501
JournalApplied Physics Letters
Volume90
Issue number16
DOIs
Publication statusPublished - Apr 30 2007

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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