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    Chiral gold nanowires with boerdijk-coxeter-bernal structure

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    Type
    Article
    Authors
    Zhu, Yihan
    He, Jiating
    Shang, Cheng
    Miao, Xiaohe
    Huang, Jianfeng cc
    Liu, Zhipan
    Chen, Hongyu
    Han, Yu cc
    KAUST Department
    Advanced Membranes and Porous Materials Research Center
    Biological and Environmental Sciences and Engineering (BESE) Division
    Imaging and Characterization Core Lab
    KAUST Catalysis Center (KCC)
    Physical Characterization
    Physical Science and Engineering (PSE) Division
    Date
    2014-09
    Online Publication Date
    2014-09
    Print Publication Date
    2014-09-10
    Permanent link to this record
    http://hdl.handle.net/10754/563753
    
    Metadata
    Show full item record
    Abstract
    A Boerdijk-Coxeter-Bernal (BCB) helix is made of linearly stacked regular tetrahedra (tetrahelix). As such, it is chiral without nontrivial translational or rotational symmetries. We demonstrate here an example of the chiral BCB structure made of totally symmetrical gold atoms, created in nanowires by direct chemical synthesis. Detailed study by high-resolution electron microscopy illustrates their elegant chiral structure and the unique one-dimensional "pseudo-periodicity". The BCB-type atomic packing mode is proposed to be a result of the competition and compromise between the lattice and surface energy.
    Sponsors
    This research was supported by baseline research funds to Y.H. from King Abdullah University of Science and Technology; the SABIC postdoc fellowship to Y.Z. from Saudi Basic Industries Corporation; and the PSF funding to H.C. from the A*Star of Singapore (SERC 112-120-2011).
    Publisher
    American Chemical Society (ACS)
    Journal
    Journal of the American Chemical Society
    DOI
    10.1021/ja506554j
    PubMed ID
    25126894
    ae974a485f413a2113503eed53cd6c53
    10.1021/ja506554j
    Scopus Count
    Collections
    Articles; Biological and Environmental Sciences and Engineering (BESE) Division; Advanced Membranes and Porous Materials Research Center; Imaging and Characterization Core Lab; Physical Science and Engineering (PSE) Division; KAUST Catalysis Center (KCC)

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