Growth of silver nanoclusters embedded in soda glass matrix
P.Gangopadhyay, P.Magudapathy, R.Kesavamoorthy, B.K.Panigrahi,, K.G.M.Nair, P.V.Satyam
TL;DR
This study investigates the temperature-controlled growth of silver nanoclusters in soda glass using Raman spectroscopy and Rutherford backscattering, revealing diffusion-controlled precipitation and consistent activation energy estimates.
Contribution
It is the first to combine Raman scattering and Rutherford backscattering to analyze silver ion diffusion and nanocluster growth in soda glass.
Findings
Growth is diffusion-controlled during annealing.
Rutherford backscattering provides activation energy for silver diffusion.
Consistent activation energy estimates from different methods.
Abstract
Temperature-controlled-growth of silver nanoclusters in soda glass matrix is investigated by low-frequency Raman scattering spectroscopy. Growth of the nanoclusters is ascribed to the diffusion-controlled precipitation of silver atoms due to annealing the silver-exchanged soda glass samples. For the first time, Rutherford backscattering measurements performed in this system to find out activation energy for the diffusion of silver ions in the glass matrix. Activation energy for the diffusion of silver ions in the glass matrix estimated from different experimental results is found to be consistent.
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