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The incommensurate structure of (Sr, Ca)14Cu24O 41 : A study by electron diffraction and high-Resolution microscopy

par Milat, Ognjen;Van Tendeloo, Gustaaf;Amelinckx, Séverin ;Mehbod, Mohammad ;Deltour, Robert
Référence Acta crystallographica. Section A, Foundations of crystallography, 48, 4, page (618-625)
Publication Publié, 1992

Article révisé par les pairs

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Résumé :

The modulated structure in (Sr, Ca)14Cu24O 41 has been studied using electron diffraction and highresolution microscopy. The structure can be considered as consisting of two interpenetrating substructures. The first sheet-like substructure is shown to be hardly modulated while the second substructure, consiting of c-oriented chains, contains most of the modulation. High-resolution electron microscopy allows either separate imaging of the two substructures or identification of the misfit between them. © 1992 International Union of Crystallography.