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Evolution of poling-assisted bleaching of metal-doped nanocomposite glass with poling conditions

Deparis, O., Kazansky, P.G., Podlipensky, A., Abdolvand, A., Seifert, G. and Graener, H. (2005) Evolution of poling-assisted bleaching of metal-doped nanocomposite glass with poling conditions Applied Physics Letters, 86, (26), pp. 261109-261112. (doi:10.1063/1.1977205).

Record type: Article


Poling-assisted bleaching was studied with respect to poling time, voltage, and temperature in glass samples having a gradient of silver nanoparticles across the depth. The optical extinction band due to the particles' surface plasmon resonance (around 415 nm) was measured and the Maxwell-Garnett effective medium theory was used to fit extinction spectra. Fitting allowed us to determine the evolution of the thickness of the near-surface layer where the particles' volume filling factor has dropped to zero as a result of the bleaching process. At 280 degrees C, bleaching started with a voltage as low as 200 V and saturated with time after about 1 h. Tight glass-electrode contact, voltage of at least 1 kV, and temperature higher than 200 degrees C were required in order to obtain significant and uniform bleaching in the poled area. The results were discussed in terms of the underlying electric-field-assisted dissolution of embedded metal nanoparticles.

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Published date: 2005


Local EPrints ID: 42398
ISSN: 0003-6951
PURE UUID: 6c68c9a6-9bbf-48b7-b131-cd6c2861b93a

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Date deposited: 11 Dec 2006
Last modified: 17 Jul 2017 15:22

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Author: O. Deparis
Author: P.G. Kazansky
Author: A. Podlipensky
Author: A. Abdolvand
Author: G. Seifert
Author: H. Graener

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