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American Chemical Society, Journal of Physical Chemistry C, 21(113), p. 9305-9308, 2009

DOI: 10.1021/jp900989c

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High-resolution transmission electron microscopy (HRTEM) and X-ray diffraction (XRD) study of the intergrowth in zeolites ITQ-13/ITQ-34

Journal article published in 2009 by Avelino Corma, Maria J. Diaz Cabanas, Jose L. Jorda ORCID, Fernando Rey, Khalid Boulahya, Jose M. Gonzalez Calbet ORCID
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Selected area electron diffraction and high-resolution electron microscopy have been used to fully characterize ITQ-13 and ITQ-34. ITQ-13 is made up by a stacking sequence of AAAA... layers along the alpha-axis, while the stacking sequence is ABAB... for ITQ-34. These polytypes can intergrow to crystallize as new materials with different concentrations of each polytype as observed by X-ray powder diffraction. High-resolution images show that in all compositional range both materials intergrow in a disordered sequence along the alpha direction of the ITQ-13.