Article | REF: AM3278 V1

Polymer characterization - Small-angle neutron scattering

Author: Jean-Pierre COTTON

Publication date: April 10, 1998

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1. Contribution of neutron scattering

For a better understanding of the text, please refer to the references [1][19] for the theoretical part.

1.1 Form of diffused intensity

To introduce the characteristics of neutron scattering, the simplest way is to write the intensity scattered by a solution of n polymer chains, each comprising N monomer units, in a volume V. Let I (q) be this scattered intensity per unit volume as a function of the scattering vector modulus expressed by :

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Contribution of neutron scattering