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0921-4526(95)00977-9


    Moments analysis of X-ray reflection profiles

F. Rieutorda <#orfa>, * <#cor*>, A. Braslaub <#orfb>, R. Simona <#orfa>,
H. J. Lauterc <#orfc> and V. Pasyukc <#orfc>

a CEA/Département de Recherche Fondamentale sur la Matière Condensée,
SP2M/PI 38054 Grenoble Cédex 9 France
b CEA/Service de Physique de l'Etat Condensé, Orme des Merisiers 91191
Gif-sur-Yvette Cédex France
c Institut Laue-Langevin, BP 156X F-38042 Grenoble Cédex France

Available online 12 February 1999.


    Abstract

We discuss an approach towards understanding the limitations of X-ray or
neutron reflectivity methods for the determination of an interfacial
density profile. A novel analysis is presented based on an expansion of
the reflectivity function in terms of moments of the density profile.

* <#bcor*>Corresponding author.

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