Surface plasmons in granular Ag-Sifilms
- 15 September 1975
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 12 (6) , 2121-2124
- https://doi.org/10.1103/physrevb.12.2121
Abstract
We report the first observation of surface plasmons in a granular metal. The plasma frequency in the Ag-Si system is determined from plasma resonance absorption measurements over the entire range of composition from the continuous-metal-film limit to the isolated-metal-particle limit. The observed decrease in with increasing insulator concentration is understood within the framework of the phenomenological Maxwell-Garnett theory.
Keywords
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