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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 18 — Sep. 15, 2009
  • pp: 2867–2869

Plasmonic phenomena in indium tin oxide and ITO–Au hybrid films

Stefan Franzen, Crissy Rhodes, Marta Cerruti, Ralph W. Gerber, Mark Losego, Jon-Paul Maria, and D. E. Aspnes  »View Author Affiliations

Optics Letters, Vol. 34, Issue 18, pp. 2867-2869 (2009)

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The observation of surface-plasmon resonances in indium tin oxide (ITO) thin films is complemented with the effects of hybrid ITO/Au conducting layers where charge densities can be tuned. Where carrier densities are similar (ITO and nanoparticle Au), the plasmonic behavior is that of a monolithic ITO thin film. Where the carrier density of one layer is much greater than that of the other (ITO and Au metal), boundary conditions lead to cancelation of the surface plasmon. In the latter case a capacitivelike plasmon resonance is observed for sufficiently thin films.

© 2009 Optical Society of America

OCIS Codes
(240.0310) Optics at surfaces : Thin films
(240.5420) Optics at surfaces : Polaritons
(240.6490) Optics at surfaces : Spectroscopy, surface
(240.6680) Optics at surfaces : Surface plasmons
(260.5740) Physical optics : Resonance

ToC Category:
Thin Films

Original Manuscript: May 28, 2009
Revised Manuscript: August 8, 2009
Manuscript Accepted: August 14, 2009
Published: September 15, 2009

Stefan Franzen, Crissy Rhodes, Marta Cerruti, Ralph W. Gerber, Mark Losego, Jon-Paul Maria, and D. E. Aspnes, "Plasmonic phenomena in indium tin oxide and ITO-Au hybrid films," Opt. Lett. 34, 2867-2869 (2009)

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