“…17 The oxygen-containing groups induce dipole polarization, which further improves the EM attenuation capability. 24 Disordered carbon and crystalline graphitic carbon are associated with the D-band (1360 cm À1 ) and G-band (1580 cm À1 ) as shown in Fig. 2(b) and Fig.…”
“…17 The oxygen-containing groups induce dipole polarization, which further improves the EM attenuation capability. 24 Disordered carbon and crystalline graphitic carbon are associated with the D-band (1360 cm À1 ) and G-band (1580 cm À1 ) as shown in Fig. 2(b) and Fig.…”
“…OMCN-D exhibited the lowest 3 ′′ values in the 2-9 GHz range, which might be ascribed to the impedance mismatch. 82 Moreover, the dielectric loss tangent (tan d E = 3 ′′ /3 ′ ) could be calculated according to 3 ′ and 3 ′′ and was used to assess the dielectric loss capacity. Generally, the higher the tan d E value is, the stronger the dielectric loss capacity lies in EMWAMs.…”
Section: Resultsmentioning
confidence: 99%
“…5e and f). 80–83 The eddy current effect can be further analysed according to the C 0 value ( μ ′′( μ ′) − 2 f − 1). 84 In general, the C 0 value would be constant when the eddy current effect is responsible for magnetic loss.…”
Two types of high-quality magnetic ordered mesoporous carbon nanospheres with dendritic-like and spherical mesopores exhibit outstanding electromagnetic wave absorption performance.
“…7,8 However, because the impedance mismatch comes from its superior conductivity and the single dielectric loss mechanism, the microwave absorption performance of RGO is undesirable. 9–11…”
Section: Introductionmentioning
confidence: 99%
“…7,8 However, because the impedance mismatch comes from its superior conductivity and the single dielectric loss mechanism, the microwave absorption performance of RGO is undesirable. [9][10][11] Spinel ferrite has been widely used in the field of microwave absorption owing to its low manufacturing cost, favorable magnetic loss and good corrosion resistance. [12][13][14] However, its disadvantages such as large density, high filling ratio, poor absorption strength and narrow absorption bandwidth greatly limit its practical applications.…”
In this work, nitrogen-doped reduced graphene oxide/hollow nickel–magnesium ferrite composite aerogel was prepared, which had a unique three-dimensional porous network structure, broadband and high-efficiency microwave absorption performance.
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