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|Title:||Controlling the near-field excitation of nano-antennas with phase-change materials|
|Source:||Kao, T.S., Chen, Y.G., Hong, M.H. (2013). Controlling the near-field excitation of nano-antennas with phase-change materials. Beilstein Journal of Nanotechnology 4 (1) : 632-637. ScholarBank@NUS Repository. https://doi.org/10.3762/bjnano.4.70|
|Abstract:||By utilizing the strongly induced plasmon coupling between discrete nano-antennas and quantitatively controlling the crystalline proportions of an underlying Ge2Sb2Te5 (GST) phase-change thin layer, we show that nanoscale light localizations in the immediate proximity of plasmonic nano-antennas can be spatially positioned. Isolated energy hot-spots at a subwavelength scale can be created and adjusted across the landscape of the plasmonic system at a step resolution of λ/20. These findings introduce a new approach for nano-circuitry, bio-assay addressing and imaging applications. © 2013 Komkova et al; licensee Beilstein-Institut.|
|Source Title:||Beilstein Journal of Nanotechnology|
|Appears in Collections:||Staff Publications|
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