Fig 4
From: Electromagnetic Field Redistribution in Metal Nanoparticle on Graphene
Electric field distributions in different dielectric nanoparticle/graphene hybrid system. a–c Electric field distributions of different permittivity nanoparticle dimers on monolayer graphene film with a 1-nm gap at 3000 nm. a Si (n = 4.21 + 0.017i), b SiO2 (n = 1.5), c air (n = 1). d Electric field distributions of SiO2 nanoparticle dimer on SiO2 film with a 1-nm gap at 3000 nm