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Fabrication of #beta#-Si_3N_4 nano-fibers

机译:#beta#-Si_3N_4纳米纤维的制造

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摘要

#beta#-Si_3N_4 nano-fibers with diameters of about 60-400 nm were fabricated through a combustion synthetic route. These fibers have straight, twisted, and curved morphologies. X-Ray powder diffraction pattern and the selected area electron diffraction spots confirmed the #beta#-Si_3N_4 phase for these fibers. A droplet at the tip of a fiber was found and aluminium impurity was detected on the droplet, which demonstrates the Vapor-Liquid-Solid (VLS) mechanism.
机译:通过燃烧合成路线制造了直径约60-400nm的#beta#-Si_3N_4纳米纤维。这些纤维具有笔直,扭曲和弯曲的形态。 X射线粉末衍射图谱和选定区域的电子衍射斑证实了这些纤维的#beta#-Si_3N_4相。发现在纤维尖端的液滴,并且在液滴上检测到铝杂质,这证明了汽液固(VLS)机理。

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