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    Arc-discharge synthesis of nitrogen-doped C embedded TiCN nanocubes with tunable dielectric/magnetic properties for electromagnetic absorbing applications.

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    Type
    Article
    Authors
    Zhou, Yuanliang cc
    Wang, Ning
    Qu, Xinghao
    Huang, Feirong
    Duan, Yuping cc
    Zhang, Xuefeng
    Dong, Xinglong cc
    Zhang, Zhidong
    KAUST Department
    Physical Sciences and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia.
    Date
    2019
    Embargo End Date
    2020-10-12
    Permanent link to this record
    http://hdl.handle.net/10754/658641
    
    Metadata
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    Abstract
    The development of novel composites consisting of ceramic and C materials to alleviate increasingly serious electromagnetic radiation is of great significance in the microwave absorption (MA) field, considering their superior anti-oxidation/corrosion performances and good mechanical strength as well as adjustable dielectric loss capabilities. However, it is still a great challenge to broaden their effective absorption bandwidth (reflection loss value ≤ -10 dB) and strengthen the absorption intensity simultaneously, which is mostly attributed to the unreliable impedance matching degree at the absorber/air interface. Herein, a feasible strategy is adopted to synthesize TiCN@N-doped C nanocubes, whose low graphitization degree provides desirable impedance matching conditions. In the meantime, masses of core/shell hetero interfaces ensure strong microwave absorption capability. Experimental results reveal that the optimal effective absorption bandwidth of the prepared TiCN@N-doped C nanocubes can reach up to 5.44 GHz with a thickness of 1.88 mm. Our work demonstrates that the TiCN@N-doped C nanocubes have potential for electromagnetic absorbing applications.
    Citation
    Zhou, Y., Wang, N., Qu, X., Huang, F., Duan, Y., Zhang, X., … Zhang, Z. (2019). Arc-discharge synthesis of nitrogen-doped C embedded TiCN nanocubes with tunable dielectric/magnetic properties for electromagnetic absorbing applications. Nanoscale. doi:10.1039/c9nr07111c
    Sponsors
    This work was financially supported by the National Natural Science foundations of China (No. 51331006 and 51271044).
    Publisher
    Royal Society of Chemistry (RSC)
    Journal
    Nanoscale
    DOI
    10.1039/c9nr07111c
    Additional Links
    http://xlink.rsc.org/?DOI=C9NR07111C
    ae974a485f413a2113503eed53cd6c53
    10.1039/c9nr07111c
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