Chiral Gold Nanowires with Boerdijk–Coxeter–Bernal Structure | Zendy

Yihan Zhu | Zendy; Jiating He | Zendy; Cheng Shang | Zendy; Xiaohe Miao | Zendy; Jianfeng Huang | Zendy; ZhiPan Liu | Zendy; Hongyu Chen | Zendy; Yu Han | Zendy

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Chiral Gold Nanowires with Boerdijk–Coxeter–Bernal Structure

Author(s) -

Yihan Zhu,

Jiating He,

Cheng Shang,

Xiaohe Miao,

Jianfeng Huang,

ZhiPan Liu,

Hongyu Chen,

Yu Han

Publication year - 2014

Publication title -

journal of the american chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.115

H-Index - 612

eISSN - 1520-5126

pISSN - 0002-7863

DOI - 10.1021/ja506554j

Subject(s) - chemistry , tetrahedron , coxeter group , nanowire , lattice (music) , crystallography , nanotechnology , physics , pure mathematics , materials science , mathematics , acoustics

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.

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