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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Acta Polymerica 43 (1992), S. 206-209 
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Die Möglichkeiten und Grenzen der Strukturaufklärung an Langmuir-Blodgett Filmen mittels symmetrischer Reflexion von Röntgenstrahlen werden anhand des Beispiels einer Stearinsäure-Multischicht beschrieben. Drei verschiedene Techniken der Elektronendichteprofil-Bestimmung werden verglichen: eine Fourier-Methode, eine Patterson-Methode und Modellrechnungen. Dabei wird die Bedeutung der a priori-Information bei der Auswahl des günstigsten Strukturmodells hervorgehoben.
    Notes: The possibilities and limits of structure refinement of Langmuir-Blodgett films by means of symmetrical reflection of X-rays are described using the example of a stearic acid multilayer. Three different techniques for the determination of the electron density profile from reflectivity data are compared: a Fourier method, a Patterson method, and model calculations. The important role of the a priori information for finding the best structure model is outlined.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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