Tunable photonic band gap in self-assembled clusters of floating magnetic particles

Y. Saado*, M. Golosovsky, D. Davidov, A. Frenkel

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

51 Scopus citations

Abstract

We fabricated a 3D photonic crystal consisting of metal coated disk-shaped magnetic particles floating at the liquid-air interface inside a stack of containers. The particles self-assemble into an ordered crystal whose in-plane lattice constant can be varied by external magnetic field in very broad limits. This crystal exhibits photonic stopband at microwave frequencies. The stopband can be continuously tuned by external magnetic field until complete disappearance.

Original languageEnglish
Article number195108
Pages (from-to)1951081-1951087
Number of pages7
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume66
Issue number19
StatePublished - 15 Nov 2002

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