Rockstuhl, CScharf, T2010-01-222010-01-222010-01-22200810.1111/j.1365-2818.2008.01901https://infoscience.epfl.ch/handle/20.500.14299/45939Band-gapmetallicnanoparticlesmetamaterialsplasmonsA metamaterial based on coupled metallic nanoparticles and its band-gap propertytext::journal::journal article::research article