%0 Journal Article %J Physical Review B %D 2016 %T Enhanced Faraday rotation by crystals of core-shell magnetoplasmonic nanoparticles %A P. Varytis %A P.A. Pantazopoulos %A N. Stefanou %X Collective hybridized plasmon modes, which enable strong magnetooptical coupling and consequent enhanced Faraday effect in three-dimensional periodic assemblies of magnetic dielectric nanoparticles coated with a noble-metal shell, are studied by means of rigorous full electrodynamic calculations using an extension of the layer-multiple-scattering method, in conjunction with the effective-medium approximation. A thorough analysis of relevant photonic dispersion diagrams and transmission spectra provides a consistent explanation of the underlying physical mechanisms to a degree that goes beyond existing interpretation. It is shown that properly designed structures of such composite magnetoplasmonic nanoparticles offer a versatile platform for engineering increased and broadband Faraday rotation. %B Physical Review B %V 93 %P 214423 (7 pages) %G eng %N 21