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In this communication, we are numerically investigating the nucleation and growth of nanoparticles in the context of a supersonically expanded thermal plasma assisted process, using the Nodal General Dynamic Equations (NGDE) model. The dependence of particle size distribution on reactant injection rate and sample collection chamber pressure is investigated. The possible effect of particle charging...
Optical band gap (E opt ) for Pb modified Ge-Se-Te bulk glasses has been measured using the photoacoustic (PA) technique. The advantage of this technique over the absorption spectrophotometry technique is that this method is independent of sample thickness and provides optical band gap energy (E opt ) values corresponding to a high (~10 4 cm -1...
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