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Title: Single crystalline semi-nanotubes of indium germanate
Authors: Yan, Chaoyi
Zhang, Tao
Lee, Pooi See
Keywords: DRNTU::Engineering::Materials
Issue Date: 2008
Source: Yan, C., Zhang, T., & Lee, P. S. (2008). Single crystalline semi-nanotubes of indium germanate. Crystal Growth & Design, 8(9), 3144-3147.
Series/Report no.: Crystal growth & design
Abstract: Single crystalline In2Ge2O7 nanotubes were synthesized by a thermal evaporation method. The growth mechanism of those novel seminanotubular structures was explained to be a vapor−liquid−solid (VLS) mechanism. Its morphology and structures were studied by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and energy dispersive spectroscopy (EDS). The semi-nanotubes have widths of 80−500 nm and lengths of 5−20 μm. As-synthesized products were found to be single crystalline In2Ge2O7 with a monoclinic crystal structure. Indium particles serve as catalysts to direct nanotube growth. Germanium concentration nonuniformity is proposed to be the reason for a semi-nanotubular structure nucleation rather than nanotubes or nanowires.
DOI: 10.1021/cg8004882
Rights: © 2008 American Chemical Society
Fulltext Permission: none
Fulltext Availability: No Fulltext
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