The dissolution of metal clusters in metal island films by the simultaneous application of electric field and temperature is reported. The consequent fading of surface plasmon resonance greatly modifies the optical properties of the samples. The dissolution process is verified in island films of different metals, obtained under different conditions and covered by different dielectric materials, as well as on multilayer dielectric stacks showing interferential properties. The tailoring possibilities of the optical behavior of metal island films combined with the inexpensive technical requirements of this approach open up the possibility to produce low-cost photonic heterostructures.
Electric field assisted dissolution of metal clusters in metal island films for photonic heterostructures
J. Sancho-Parramon, V. Janicki, J. Arbiol, H. Zorc, F. Peiro; Electric field assisted dissolution of metal clusters in metal island films for photonic heterostructures. Appl. Phys. Lett. 21 April 2008; 92 (16): 163108. https://doi.org/10.1063/1.2892037
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