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BY-NC-ND 4.0 license Open Access Published by De Gruyter November 6, 2015

Quantum Electrostatic Model for Optical Properties of Nanoscale Gold Films

Haoliang Qian , Yuzhe Xiao , Dominic Lepage , Li Chen and Zhaowei Liu EMAIL logo
From the journal Nanophotonics


The optical properties of thin gold films with thickness varying from 2.5 nm to 30 nm are investigated. Due to the quantum size effect, the optical constants of the thin gold film deviate from the Drude model for bulk material as film thickness decreases, especially around 2.5 nm, where the electron energy level becomes discrete. A theory based on the self-consistent solution of the Schrödinger equation and the Poisson equation is proposed and its predictions agree well with experimental results.


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Received: 2015-7-27
Accepted: 2015-9-11
Published Online: 2015-11-6

© 2015

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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