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Electron microscopy study of zeolite ZK-14; a synthetic chabazite

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Abstract

The defect structure of zeolite (K+, TMA+) — ZK-14, a synthetic chabazite, has been studied using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). SEM together with TEM bright field (BF) and dark field (DF) micrographs indicate that the hexagonal, platelet ZK-14 crystals are built up of crystalline blocks joined by twinning along (00.1). High resolution transmission electron microscopy (HRTEM) reveals faulting of the ideal AABBCC single 6-ring stacking sequence of ZK-14. This is consistent with an observed line broadening in its X-ray powder diffraction profile. Channel apertures are imaged, even for thick specimens.

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Cartlidge S, Meier WM, in preparation

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Cartlidge, S., Wessicken, R. & Nissen, HU. Electron microscopy study of zeolite ZK-14; a synthetic chabazite. Phys Chem Minerals 9, 139–145 (1983). https://doi.org/10.1007/BF00308371

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  • DOI: https://doi.org/10.1007/BF00308371

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