• Journal of Inorganic Materials
  • Vol. 34, Issue 6, 667 (2019)
Chao LEI1、2 and Fei WEI2
Author Affiliations
  • 1Guangdong Institute of Materials and Processing, Guangdong Academy of Sciences, Guangzhou 510650, China
  • 2Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
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    DOI: 10.15541/jim20180381 Cite this Article
    Chao LEI, Fei WEI. Mass Production of α-silicon Nitride Single-crystalline Nanowires[J]. Journal of Inorganic Materials, 2019, 34(6): 667 Copy Citation Text show less
    SEM images and photograph of different samples
    1. SEM images and photograph of different samples
    XRD patterns of Si raw materials, Si3N4 powders, Si3N4 nanowires
    2. XRD patterns of Si raw materials, Si3N4 powders, Si3N4 nanowires
    Morphologies of Si3N4 nanowires
    3. Morphologies of Si3N4 nanowires
    Morphologies under different magnifications for Si3N4 particles
    4. Morphologies under different magnifications for Si3N4 particles
    Morphologies of nanowires on the granulation Si powder surface
    5. Morphologies of nanowires on the granulation Si powder surface
    SEM images of different Si powders after 3 h nitridation in the 90vol% N2+10vol% H2 mixture gas
    6. SEM images of different Si powders after 3 h nitridation in the 90vol% N2+10vol% H2 mixture gas
    Nitridation rate of granulation Si powders at different atmospheres
    7. Nitridation rate of granulation Si powders at different atmospheres
    Element/wt%FeCaAlOC
    Si raw materials0.0080.0130.0120.14-
    Si3N4 nanowires0.0110.0070.0311.56-
    Si3N4 particles0.0060.0140.0491.07-
    Table 1. Impurity elements analysis results
    SpectrumElement/at%
    SiNOFe
    141.4255.433.160
    249.1746.224.170.45
    Table 2. Elemental analysis results of Si3N4 nanowires
    Chao LEI, Fei WEI. Mass Production of α-silicon Nitride Single-crystalline Nanowires[J]. Journal of Inorganic Materials, 2019, 34(6): 667
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