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We use nanosphere lithography and thermal evaporation techniques to fabricate multilayer metal-dielectric cone nanoparticle arrays. Scanning electron microscope measurements reveal that the ordered nanoparticles are of triangular shapes. Optical transmittance measurements show that there is a transmittance dip for each sample, and the transmittance dip is caused by the localized surface plasmon resonance of the metal/dielectric particles. With the increase of the number of the metal/dielectric layers of a sample, the position of the transmittance dip of the sample shows a blue-shift. Moreover, the transmittance spectrum and the electric field distribution of the metal/dielectric nanoparticles are simulated by HFSS, and the electric field distribution is used to explain the blue-shift phenomenon.
[1] [2] [3] [4] [5] [6] [7] [8] Jensen
[9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] -
[1] [2] [3] [4] [5] [6] [7] [8] Jensen
[9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21]
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