Xiao-Kun WANG, Meng-Chao GUO, Lei-Lei LIANG, Wei LI, Dong-Ming TANG, Bao-Shan ZHANG, Jian-Dong YE, Yi YANG. Ultra-wideband absorption of C/Co composites achieved through metamaterial-based design[J]. Journal of Infrared and Millimeter Waves, 2024, 43(1): 91
- Journal of Infrared and Millimeter Waves
- Vol. 43, Issue 1, 91 (2024)
Fig. 1. SEM images of C/Co-500（a），C/Co-550（b）and C/Co-600（c）. EDS（d），TEM images（e，f）and HRTEM（g）of C/Co-550
Fig. 2. XPS spectra of（a）survey spectrum，（b）C 1s，（c）Co 2p，（d）N 1s，（e）Raman and（f）Magnetic hysteresis loops of C/Co-500，C/Co-550 and C/Co-600
Fig. 3. Complex permittivity（a）and complex permeability，（b）of C/Co-500，C/Co-550 and C/Co-600 composites with 35 wt% filling concentration，（c）dielectric loss tangent，（d）magnetic loss tangent of C/Co-500，C/Co-550 and C/Co-600 composites
Fig. 4. Cole-Cole circles（a）and C0 curves，（b）of C/Co-500，C/Co-550 and C/Co-600
Fig. 5. RL curves of C/Co-500（a），C/Co-550（b）and C/Co-600（c），（d）tm curve，（e）three-dimensional representations and（f）two-dimensional color contour RL values of C/Co-550
Fig. 6. Structure of one unit（a）top view，（b）cross section view，（c）periodic unit structures，（d）Reflection loss of single layer and all-dielectric metamaterial of C/Co-500 composite，（e）Reflection loss of C/Co-500 all-dielectric metamaterial absorbers under 2~22 GHz
Fig. 7. The distributions of magnetic field density，electric field density and power loss density under normal incidence at 8.6 GHz（a，b，c），11.4 GHz（d，e，f）and 19.5 GHz（g，h，i）
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