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dc.contributor.authorCourteille, C.-
dc.contributor.authorHollenstein, Ch.-
dc.contributor.authorDorier, J. L.-
dc.contributor.authorGay, P.-
dc.contributor.authorSchwarzenbach, W.-
dc.contributor.authorHowling, A. A.-
dc.contributor.authorBertrán Serra, Enric-
dc.contributor.authorViera Mármol, Gregorio-
dc.contributor.authorMartins, R.-
dc.contributor.authorMacarico, A.-
dc.description.abstractTo determine self‐consistently the time evolution of particle size and their number density in situ multi‐angle polarization‐sensitive laser light scattering was used. Cross‐polarization intensities (incident and scattered light intensities with opposite polarization) measured at 135° and ex situ transmission electronic microscopy analysis demonstrate the existence of nonspherical agglomerates during the early phase of agglomeration. Later in the particle time development both techniques reveal spherical particles again. The presence of strong cross‐polarization intensities is accompanied by low‐frequency instabilities detected on the scattered light intensities and plasma emission. It is found that the particle radius and particle number density during the agglomeration phase can be well described by the Brownian free molecule coagulation model. Application of this neutral particle coagulation model is justified by calculation of the particle charge whereby it is shown that particles of a few tens of nanometer can be considered as neutral under our experimental conditions. The measured particle dispersion can be well described by a Brownian free molecule coagulation model including a log‐normal particle size distribution.-
dc.format.extent10 p.-
dc.publisherAmerican Institute of Physics-
dc.relation.isformatofReproducció del document publicat a:
dc.relation.ispartofJournal of Applied Physics, 1996, vol. 80, num. 4, p. 2069-2078-
dc.rights(c) American Institute of Physics , 1996-
dc.subject.classificationMatèria condensada-
dc.subject.classificationPropietats òptiques-
dc.subject.otherCondensed matter-
dc.subject.otherOptical properties-
dc.titleParticle agglomeration study in rf silane plasmas: In situ study by polarization-sensitive laser light scatteringeng
Appears in Collections:Articles publicats en revistes (Física Aplicada)

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