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  • Titania single crystals with a curved surface

    Author(s)
    Yang, Shuang
    Yang, Bing Xing
    Wu, Long
    Li, Yu Hang
    Liu, Porun
    Zhao, Huijun
    Yu, Yan Yan
    Gong, Xue Qing
    Yang, Hua Gui
    Griffith University Author(s)
    Zhao, Huijun
    Liu, Porun
    Year published
    2014
    Metadata
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    Abstract
    Owing to its scientific and technological importance, crystallization as a ubiquitous phenomenon has been widely studied over centuries. Well-developed single crystals are generally enclosed by regular flat facets spontaneously to form polyhedral morphologies because of the well-known self-confinement principle for crystal growth. However, in nature, complex single crystalline calcitic skeleton of biological organisms generally has a curved external surface formed by specific interactions between organic moieties and biocompatible minerals. Here we show a new class of crystal surface of ?TiO2, which is enclosed by quasi ...
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    Owing to its scientific and technological importance, crystallization as a ubiquitous phenomenon has been widely studied over centuries. Well-developed single crystals are generally enclosed by regular flat facets spontaneously to form polyhedral morphologies because of the well-known self-confinement principle for crystal growth. However, in nature, complex single crystalline calcitic skeleton of biological organisms generally has a curved external surface formed by specific interactions between organic moieties and biocompatible minerals. Here we show a new class of crystal surface of ?TiO2, which is enclosed by quasi continuous high-index microfacets and thus has a unique truncated biconic morphology. Such single crystals may open a new direction for crystal growth study since, in principle, crystal growth rates of all facets between two normal {101} and {011} crystal surfaces are almost identical. In other words, the facet with continuous Miller index can exist because of the continuous curvature on the crystal surface.
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    Journal Title
    Nature Communications
    Volume
    5
    DOI
    https://doi.org/10.1038/ncomms6355
    Subject
    Inorganic chemistry not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/67463
    Collection
    • Journal articles

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