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  1. No Access

    Article

    Silver-sensitized erbium-doped ion-exchanged sol–gel waveguides

    Ag- and Er-doped glass films have been synthesized with a combined sol–gel and ion-exchange route. The introduction of silver as erbium sensitizer in the film was obtained by ion exchanging Er-doped SiO2–Al2O3–Na

    A. Martucci, M. De Nuntis, A. Ribaudo, M. Guglielmi, S. Padovani… in Applied Physics A (2005)

  2. No Access

    Article

    Optical CO gas sensing using nanostructured NiO and NiO/SiO2 nanocomposites fabricated by PLD and sol–gel methods

    Several kinds of NiO-based nanostructured films were prepared by pulsed-laser deposition (PLD) and sol–gel method, and CO sensing properties (1%, balanced by N2) of these films were studied. The sensitivity, defi...

    L. Zbroniec, A. Martucci, T. Sasaki, N. Koshizaki in Applied Physics A (2004)

  3. No Access

    Article

    Optical extinction resonance of Au and Ag clusters formed by ion irradiation in SiO2 and Al2O3

    Three methods based on ion-beam irradiation were used to fabricate Ag and Au colloids in silica and alumina. Their surface-plasmon resonance in the visible was characterised by transmittance measurements and i...

    J.C. Pivin, M. Sendova-Vassileva, M. Nikolaeva, D. Dimova-Malinovska… in Applied Physics A (2002)