• Journal of Inorganic Materials
  • Vol. 39, Issue 6, 681 (2024)
Yuyu ZHANG, Yicheng WU, Jia SUN*, and Qiangang FU*
Author Affiliations
  • State Key Laboratory of Ultra High Temperature Composite Materials, Shaanxi Key Laboratory of Fiber Reinforced Light Composite Materials, Northwestern Polytechnical University, Xi’an 710072, China
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    DOI: 10.15541/jim20230546 Cite this Article
    Yuyu ZHANG, Yicheng WU, Jia SUN, Qiangang FU. Preparation and Wave-absorbing Properties of Polymer-derived SiHfCN Ceramics[J]. Journal of Inorganic Materials, 2024, 39(6): 681 Copy Citation Text show less
    Characterization of the synthesized SSPs
    1. Characterization of the synthesized SSPs
    XRD patterns of the PDCs
    2. XRD patterns of the PDCs
    Raman analysis of the PDCs
    3. Raman analysis of the PDCs
    XPS high-resolution spectra of the PDCs
    4. XPS high-resolution spectra of the PDCs
    SEM images and EDS analyses of the PDCs
    5. SEM images and EDS analyses of the PDCs
    TEM images of SiHfCN and SiHfCN-C
    6. TEM images of SiHfCN and SiHfCN-C
    TEM images of SiHfCN-N and SiHfCN-B
    7. TEM images of SiHfCN-N and SiHfCN-B
    Electromagnetic parameters of the PDCs
    8. Electromagnetic parameters of the PDCs
    RL patterns and impedance matching maps of the PDCs
    9. RL patterns and impedance matching maps of the PDCs
    SSPsPDCsPSNHf isopropoxide isopropanol complex DVBMelamineDimethylamino borane
    P7Hf3SiHfCN73---
    P7Hf3-CSiHfCN-C736--
    P7Hf3-NSiHfCN-N73-6-
    P7Hf3-BSiHfCN-B73--6
    Table 1. Raw material proportions (%, in mass) of different samples
    ElementSiHfCNSiHfCN-CSiHfCN-NSiHfCN-B
    Si35.542.340.833.8
    Hf22.518.620.413.5
    C13.6248.213.3
    N22.89.455.529.8
    O5.65.77.15.3
    Empirical formulaSiHf0.10C0.90N1.29O0.28SiHf0.07C1.33N0.45O0.24SiHf0.08C0.47N2.73O0.31SiHf0.06C0.92N1.77O0.28B0.33
    Table 2. Elemental contents (%, in mass) and empirical chemical compositions of the PDCs
    Yuyu ZHANG, Yicheng WU, Jia SUN, Qiangang FU. Preparation and Wave-absorbing Properties of Polymer-derived SiHfCN Ceramics[J]. Journal of Inorganic Materials, 2024, 39(6): 681
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