期刊
CURRENT OPINION IN COLLOID & INTERFACE SCIENCE
卷 17, 期 1, 页码 44-53出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.cocis.2011.11.001
关键词
Neutron; Reflectivity; Phase-sensitive; Thin films; Multilayers; Composition depth profile
Neutron reflectometry is a powerful method for probing the molecular scale structure of both hard and soft condensed matter films. Moreover, the phase-sensitive methods which have been developed make it possible for specular neutron reflectometry to be effectively employed as an imaging device of the composition depth profile of thin film materials with a spatial resolution approaching a fraction of a nanometer. The image of the cross-sectional distribution of matter in the film obtained in such a way can be shown to be, in most cases, unambiguous to a degree limited primarily by the range and statistical uncertainty of the reflectivity data available. The application of phase-sensitive neutron reflectometry (PSNR) to the study of several types of soft matter thin film systems are illustrated by a number of specific examples from recent studies. In addition, new software tools available to the researcher to apply PSNR methods and analysis are discussed. Published by Elsevier Ltd.
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