Coherent small-angle scattering from polymer nanocomposites
نویسندگان
چکیده
منابع مشابه
Structure Determination of Polymer Nanocomposites by Small Angle Scattering
The characterization of the structure of polymer nanocomposites by the techniques of small-angle scattering of neutrons and X-rays is reviewed. Within a concise introduction to elastic small-angle scattering, the basics of shape, structure, and interactions of particles are presented, as well as the scattering from polymer chains. The scattering properties of polymer chains can be described wit...
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Small-angle scattering (of neutrons, x-ray, or light; SAS) is considered to describe the structural characteristics of deterministic nanoscale fat fractals. We show that in the case of a polydisperse fractal system, with equal probability for any orientation, one obtains the fractal dimensions and scaling factors at each structural level. This is in agreement with general results deduced in the...
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Micellar solutions are the suspension of the colloidal aggregates of the surfactant molecules in aqueous solutions. The structure (shape and size) and the number density of these aggregates, referred to as micelles, depend on the molecular architecture of the surfactant molecule, presence of additives, and the solution conditions such as temperature, concentration etc. Small-angle scattering is...
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Small Angle Neutron Scattering (SANS) is a technique that enables to probe the 3-D structure of materials on a typical size range lying from ∼ 1 nm up to ∼ a few 100 nm, the obtained information being statistically averaged on a sample whose volume is ∼ 1 cm3. This very rich technique enables to make a full structural characterization of a given object of nanometric dimensions (radius of gyrati...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section A Foundations of Crystallography
سال: 2008
ISSN: 0108-7673
DOI: 10.1107/s0108767308096153