Long-range ordering in anodic alumina films: a microradian X-ray diffraction studyстатья
Статья опубликована в высокорейтинговом журнале
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Аннотация:A quantitative analysis of long-range order in the self-organized porous structure of anodic alumina films has been performed on the basis of a microradian X-ray diffraction study. The structure is shown to possess orientational order over macroscopic distances larger than 1 mm. At the same time, the interpore positional order is only short-range and does not extend over more than similar to 10 interpore distances. These positional correlations are mostly lost gradually rather than at the domain boundaries, as suggested by the divergence of the peak width for the higher-order reflections. In the direction of the film growth the pores have a very long longitudinal self-correlation length of the order of tens of micrometres. (c) 2010 International Union of Crystallography Printed in Singapore - all rights reserved