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Profile analysis of the supersatellite reflections in Labradorite – A synchrotron X-ray diffraction study

Published/Copyright: July 28, 2010

Abstract

The feldspar mineral Labradorite exhibits a long-range superstructure of 1500 Å period length, and corresponding s-satellites up to 4th order are observed in X-ray diffraction experiments with enhanced resolution. By analyzing the satellite-profiles along the direction of the modulation, imperfections of the lamellar superstructure are investigated. The measured profiles are successfully reproduced by a model based on Laue-functions, and an average roughness of the lamellar interfaces of 330 Å is obtained.

Published Online: 2010-7-28
Published in Print: 1997-8-1

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