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Detailed Structural Survey of the Zeolite ITQ-39 by Electron Crystallography
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
Number of Authors: 3
2017 (English)In: Crystal Growth & Design, ISSN 1528-7483, E-ISSN 1528-7505, Vol. 17, no 4, 1910-1917 p.Article in journal (Refereed) Published
Abstract [en]

The structure of the highly faulted zeolite ITQ-39 was previously determined by electron crystallography, revealing the presence of stacking disorders and twinning. Structural models of three polytypes were proposed, providing a basic description of the ITQ-39 material. Here, a more comprehensive description of the complex structure of the ITQ-39 zeolite is presented based on a onedimensional periodic building unit. The study includes a detailed description of the structural defects in the material based on the analysis of high resolution transmission electron microscopy images and information on how the defects influence the pore system. A new structure arrangement with alternating twinning was found in the material, and structural models of three twinned end-members are presented. The geometry of the different structural models is evaluated to understand the formation of the crystals.

Place, publisher, year, edition, pages
2017. Vol. 17, no 4, 1910-1917 p.
National Category
Chemical Sciences Materials Engineering
Identifiers
URN: urn:nbn:se:su:diva-143615DOI: 10.1021/acs.cgd.6b01874ISI: 000398884400057OAI: oai:DiVA.org:su-143615DiVA: diva2:1103575
Available from: 2017-05-30 Created: 2017-05-30 Last updated: 2017-05-30Bibliographically approved

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