Improved dielectric functions in metallic films obtained via template stripping

Title
Improved dielectric functions in metallic films obtained via template stripping
Authors
박종혁Prashant NagpalSang-Hyun OhDavid J. Norris
Issue Date
2012-02
Publisher
Applied physics letters
Citation
VOL 100, NO 8-081105-4
Abstract
We compare the dielectric functions of silver interfaces obtained via thermal evaporation with those obtained with template stripping. Ellipsometry measurements show that the smoother template-stripped surfaces exhibit effective dielectric functions with a more negative real component and a smaller imaginary component, implying higher conductivity and less energy loss, respectively. These results agree with the relation between dielectric function and surface roughness derived from combining the effective-medium model and the Drude-Lorentz model. The improvement in the effective dielectric properties shows that metallic films prepared via template stripping can be favorable for applications in electronics, nanophotonics, and plasmonics.
URI
http://pubs.kist.re.kr/handle/201004/67487
ISSN
0003-6951
Appears in Collections:
KIST Publication > Article
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