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ON THE IMPACT OF THE INTERNAL COUPLING ON FRACTAL AGGREGATES STRUCTURE FACTORS

Abstract : Angular light scattering by aerosol particles, including complex particles such as fractal aggregates, can give access to the size and morphology through an in-situ approach. For this purpose, the angular scattering signal must be processed by a theory that provides a structure factor, which takes into account particle shape. Such a function is accurately determined for X-rays or for transparent objects in the visible range since the assumption of no internal coupling is fairly well respected. However, for some materials such as fractal soot aggregates, the internal coupling is suspected to modify the morphological and size dependence of the structure factor. The objective of this work is to understand and quantify such a deviation from the internal electric field analysis using a phasor approach.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-03763701
Contributor : Jérôme Yon Connect in order to contact the contributor
Submitted on : Monday, August 29, 2022 - 5:09:27 PM
Last modification on : Tuesday, August 30, 2022 - 3:48:01 AM

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  • HAL Id : hal-03763701, version 1

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C. Argentin, Marek Mazur, Romain Ceolato, Matthew J. Berg, Jerôme Yon. ON THE IMPACT OF THE INTERNAL COUPLING ON FRACTAL AGGREGATES STRUCTURE FACTORS. Laser-light Interaction with Particles, Aug 2022, Warsaw, Poland. ⟨hal-03763701⟩

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