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Title

Ultrafast electron diffraction tomography for structure determination of the new zeolite ITQ-58

AuthorsSimancas, Jorge; Simancas, Raquel; Bereciartua, Pablo Javier; Jordá Moret, José Luis; Rey García, Fernando; Corma, Avelino ; Nicolopoulos, Stavros; Pratim Das, Partha; Gemmi, Mauro; Mugnaioli, Emrico
Issue Date2016
PublisherAmerican Chemical Society
CitationJournal of the American Chemical Society 138(32): 10116-10119 (2016)
AbstractIn this work a new ultrafast data collection strategy for electron diffraction tomography is presented that allows reducing data acquisition time by one order of magnitude. This methodology minimizes the radiation damage of beam-sensitive materials, such as microporous materials. This method, combined with the precession of the electron beam, provides high quality data enabling the determination of very complex structures. Most importantly, the implementation of this new electron diffraction methodology is easily affordable in any modern electron microscope. As a proof of concept, we have solved a new highly complex zeolitic structure named ITQ-58, with a very low symmetry (triclinic) and a large unit cell volume (1874.6 Å), containing 16 silicon and 32 oxygen atoms in its asymmetric unit, which would be very difficult to solve with the state of the art techniques.
Publisher version (URL)https://doi.org/10.1021/jacs.6b06394
URIhttp://hdl.handle.net/10261/164916
Identifiersdoi: 10.1021/jacs.6b06394
e-issn: 1520-5126
issn: 0002-7863
Appears in Collections:(ITQ) Artículos
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