Self-assembled hexagonal double fishnets as negative index materials

2010/10/18 by Kristof Lodewijks, Niels Verellen, W. Van Roy +4 · 31 citations
Chemistry · Engineering · Materials Science · Physics and Astronomy · #Chemistry #Computer science #Crystallography #Double layer (biology) #Fabrication #Hexagonal crystal system #Layer (electronics) #Lithography #Materials science #Metamaterial #Metamaterials and Metasurfaces Applications #Nanosphere lithography #Nanotechnology #Optics #Optoelectronics #Photonic Crystals and Applications #Photonic metamaterial #Physics #Plasmonic and Surface Plasmon Research #Refractive index #Split-ring resonator #Stack (abstract data type) #Wavelength #physics.optics

paper · pdf · doi:10.1063/1.3560444

published in Applied Physics Letters 98(9) (American Institute of Physics)

arxiv created 2010/10/18 · openalex publication_date 2011/02/28 · arxiv updated 2012/01/05 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We show experimentally the use of nanosphere lithography for fabricating negative index metamaterials in the near-infrared wavelength range. We investigated a specific implementation of the widely studied double fishnet metamaterials, consisting of a gold-silica-gold layer stack perforated by a hexagonal array of round holes. Tuning of the hole diameter allows to tailor these self-assembled materials as single- or double negative metamaterials.

Citations

• Three-dimensional optical metamaterial with a negative refractive index
• Simultaneous Negative Phase and Group Velocity of Light in a Metamaterial
• THE ELECTRODYNAMICS OF SUBSTANCES WITH SIMULTANEOUSLY NEGATIVE VALUES OF ε AND μ
• Optical Constants of the Noble Metals