A planar layer configuration for surface plasmon interference nanoscale lithography
- 1 September 2008
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 93 (9), 093103
- https://doi.org/10.1063/1.2976630
Abstract
A planar layer configuration for surface plasmon interference lithography to realize one-dimensional periodic nanostructure is proposed and numerically demonstrated in this letter. High electric field distribution compared to conventional prism based configuration is found to be achievable with this and hence facilitate high contrast and high resolution features with good exposure depth. Finite-difference time-domain simulation results indicate that the feature size approximately at sub-65-nm is achievable by using silver metal layer and a p -polarized 427 nm wavelength illumination. Simulated resist profiles, using cellular automata model, obtained through this proposed configuration is also presented.Keywords
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