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    Atomic-resolution transmission electron microscopy of electron beam–sensitive crystalline materials

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    aao0865.pdf
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    Type
    Article
    Authors
    Zhang, Daliang cc
    Zhu, Yihan
    Liu, Lingmei
    Ying, Xiangrong
    Hsiung, Chia-En
    Sougrat, Rachid cc
    Li, Kun
    Han, Yu cc
    KAUST Department
    Advanced Membranes and Porous Materials Research Center
    Biological and Environmental Sciences and Engineering (BESE) Division
    Chemical Science Program
    Electron Microscopy
    Imaging and Characterization Core Lab
    KAUST Catalysis Center (KCC)
    Nanostructured Functional Materials (NFM) laboratory
    Physical Science and Engineering (PSE) Division
    KAUST Grant Number
    URF/1/2570-01
    FCC/1/1972-19
    Date
    2018-01-18
    Online Publication Date
    2018-01-18
    Print Publication Date
    2018-02-09
    Permanent link to this record
    http://hdl.handle.net/10754/626889
    
    Metadata
    Show full item record
    Abstract
    High-resolution imaging of electron beam-sensitive materials is one of the most difficult applications of transmission electron microscopy (TEM). The challenges are manifold, including the acquisition of images with extremely low beam doses, the time-constrained search for crystal zone axes, the precise image alignment, and the accurate determination of the defocus value. We develop a suite of methods to fulfill these requirements and acquire atomic-resolution TEM images of several metal organic frameworks that are generally recognized as highly sensitive to electron beams. The high image resolution allows us to identify individual metal atomic columns, various types of surface termination, and benzene rings in the organic linkers. We also apply our methods to other electron beam–sensitive materials, including the organic-inorganic hybrid perovskite CH3NH3PbBr3.
    Citation
    Zhang D, Zhu Y, Liu L, Ying X, Hsiung C-E, et al. (2018) Atomic-resolution transmission electron microscopy of electron beam–sensitive crystalline materials. Science: eaao0865. Available: http://dx.doi.org/10.1126/science.aao0865.
    Sponsors
    We thank M. Pan and O. Terasaki for helpful discussions. This work was supported by King Abdullah University of Science and Technology through Competitive Research Grant (URF/1/2570-01) and Center Competitive Funding (FCC/1/1972-19). HRTEM images presented in this paper and the two programs used for zone axis alignment and image alignment are archived in a data repository (https://zenodo.org/record/1133206) for verification purposes only. Interested readers can download the programs after agreeing with the terms and conditions stated there. D. Z., Y. Z., K. L., and Y. H. are inventors on United States Provisional patent applications (62/490,967 and 62/490,968) submitted by King Abdullah University of Science and Technology that cover the methods for crystal zone axis alignment and image alignment.
    Publisher
    American Association for the Advancement of Science (AAAS)
    Journal
    Science
    DOI
    10.1126/science.aao0865
    PubMed ID
    29348363
    Additional Links
    http://science.sciencemag.org/content/early/2018/01/17/science.aao0865
    ae974a485f413a2113503eed53cd6c53
    10.1126/science.aao0865
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Advanced Membranes and Porous Materials Research Center; Imaging and Characterization Core Lab; Physical Science and Engineering (PSE) Division; Chemical Science Program; KAUST Catalysis Center (KCC)

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