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Title

Analysis of the optical properties of chiral au nanorod stacks

AuthorsDios, Carolina de; Feng, Hua Yu; García-Pérez, Fernando ; Cebollada, Alfonso ; Armelles Reig, Gaspar
KeywordsChirality
Plasmonics
Optical activity
Circular dichroism
Gold nanostructures
Nanorods
Issue DateDec-2018
PublisherSpringer
CitationPlasmonics 13(6): 2061–2066 (2018)
AbstractWe analyze the optical and chirooptical response of two Au nanorods vertically separated and with arbitrary relative in-plane orientation. The use of a simple model of Lorentzian oscillators assigned to the resonances of each individual rod allows analyzing the evolution of the optical properties of this 3D chiral system as a function of relative in-plane orientation, inter-rod separation, and rod dimensions. These results are compared with real physical structures fabricated by multiaxial thermal evaporation through nanohole masks. Despite the simplicity of the theoretical model, the obtained results reproduce the main experimental optical properties of the rod system.
Publisher version (URL)https://doi.org/10.1007/s11468-018-0722-6
URIhttp://hdl.handle.net/10261/181499
DOI10.1007/s11468-018-0722-6
ISSN1557-1955
E-ISSN1557-1963
Appears in Collections:(IMN-CNM) Artículos
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