Journal ArticleDOI
Assessment of nanocomposite photonic systems with the X-ray photoelectron spectroscopy
Luca Minati,Giorgio Speranza,M. Anderle,Mariano Ferrari,Alessandro Chiasera,Giancarlo C. Righini +5 more
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In this article, the chemical compositions of Ag-Er co-doped phosphate and silicate glasses were investigated with X-ray photoelectron spectroscopy with the purpose to identify the chemical state of silver.Abstract:
The chemical compositions of Ag-Er co-doped phosphate and silicate glasses were investigated with X-ray photoelectron spectroscopy with the purpose to identify the chemical state of silver. The analysis of the Ag 3d core lines show the presence of nanometer-sized silver particles in each of the annealed samples, even if these Ag 3d lines appear to be very different from each other. We explain these results as a different interaction of silver with the two glasses matrix, which leads to a different nucleation rate of the Ag clusters.read more
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Surface Analysis by Auger and X-Ray Photoelectron Spectroscopy
David Briggs,John T. Grant +1 more
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Electronic structure of supported small metal clusters
TL;DR: In this article, the degree of cluster-support interaction for clusters of group-VIII and noble metals can be divided into two categories: supports with localized $p$ or $d$ orbitals with binding energies overlapping those of the cluster $d $ orbitals and supports without such orbitals.
Journal ArticleDOI
The optical kerr effect in small metal particles and metal colloids: The case of gold
TL;DR: In this paper, the authors considered theoretically the various mechanisms contributing to the Kerr nonlinearity in small gold particles, including conduction electron intraband contribution, saturation of direct interband transitions and the change in dielectric constant due to hot photoexcited electrons.
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Unit Charge on Supported Gold Clusters in Photoemission Final State
Journal ArticleDOI
Field enhancement effect of small Ag particles on the fluorescence from Eu3+-doped SiO2 glass
TL;DR: In this article, the effects of nanometer-sized silver particles on the optical properties of Eu3+ ions in SiO2 glass were investigated by using Mie-Drude theory modified by electron mean free path model.
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