In the present work an operational recipe for the mean square displacement MSD determination, highlighting the connection between elastic incoherent neutron scattering EINS intensity profiles and the associated self-distribution function, is presented. The determination of the thermal behavior of the total MSD and of its partial contributions is tested on EINS data collected by the backscattering spectrometer IN13 ILL, Grenoble on a model system such as PolyEthylene Glycol with a mean molecular weight of 400 Dalton PEG 400 .
Mean Square Displacement Evaluation by Elastic Neutron Scattering Self-Distribution Function
MAGAZU', Salvatore;MAISANO, Giacomo;MIGLIARDO, Federica;BENEDETTO, ANTONIO
2008-01-01
Abstract
In the present work an operational recipe for the mean square displacement MSD determination, highlighting the connection between elastic incoherent neutron scattering EINS intensity profiles and the associated self-distribution function, is presented. The determination of the thermal behavior of the total MSD and of its partial contributions is tested on EINS data collected by the backscattering spectrometer IN13 ILL, Grenoble on a model system such as PolyEthylene Glycol with a mean molecular weight of 400 Dalton PEG 400 .File in questo prodotto:
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