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Atomistic description of nanoplasmonics: from near field to surface-enhanced Raman scattering

Xing Chen
Penn State
Thu, Mar 30, 2017, 1:00pm
NS2 2201

An atomistic electrodynamics model, where the NPs in terms of a macroscopic homogenous dielectric constant is replaced by an atomic representation with dielectric properties depending on the local chemical environment, successfully describes the plasmonics behavior in quantum size region. By using this model, we explored the near field fluctuation and  the origin of the SERS varying with time evolution.