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Proceedings Paper

Contact resistance dynamics at bimetallic interfaces investigated by ultrafast terahertz surface plasmon-mediated transmission spectroscopy
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Paper Abstract

We study free-space terahertz pulse propagation through samples of densely packed Cu microparticles that are coated with Au nano-layers. By coating the Cu particles with Au nano-layers, the terahertz transmission is dramatically attenuated. The substantial attenuation cannot be reconciled by the inherent resistivities of the Cu and Au metals. The experimental results strongly show that the transmission attenuation arises from contact resistance between the Au and Cu metals.

Paper Details

Date Published: 15 February 2006
PDF: 9 pages
Proc. SPIE 6118, Ultrafast Phenomena in Semiconductors and Nanostructure Materials X, 611814 (15 February 2006); doi: 10.1117/12.655622
Show Author Affiliations
K. J. Chau, Univ. of Alberta (Canada)
A. Y. Elezzabi, Univ. of Alberta (Canada)


Published in SPIE Proceedings Vol. 6118:
Ultrafast Phenomena in Semiconductors and Nanostructure Materials X
Kong-Thon Tsen; Jin-Joo Song; Hongxing Jiang, Editor(s)

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