Metacomposites with negative permittivity usually possess huge dielectric loss, showing
potential for micro-wave attenuation devices where huge heat would generate. Herein …

Abstract CaCu3Ti4O12 (CCTO) ceramic nanocomposites incorporating graphene–carbon
black (GRCB) fillers were fabricated by spark plasma sintering process. The percolative …

Abstract Epsilon-near-zero (ENZ) and epsilon-negative (EN) responses are remarkable
properties of electromagnetic (EM) metamaterials that have sparked considerable interest …

Negative permittivity of materials can be obtained by plasma oscillation or dielectric
resonance, but the relationship between these two negative permittivity behaviors has been …

Effective and precise modulation of negative permittivity behavior still deserved further
research. Herewith, alumina (Al 2 O 3) metacomposites with various carbon nanofiber (CNF) …

Metacomposites with extraordinary electromagnetic (EM) parameters recently offered a
brand-new strategy for EM shielding, but still suffered from the unclear paradigm and …

Since their revolutionary report in 1967, metamaterials have exhibited extraordinary physical
properties such as the negative refractive index and the inverse Doppler effect. In recent …

Ceramic composites with negative permittivity have provoked considerable interests of
researchers in electronic and dielectric devices due to the extraordinary electromagnetic …

It is challenging to achieve high-strength absorption and effectively broaden the absorbing
bandwidth when using conventional flat microwave-absorbing cementitious materials. To …

In this paper, kapok-derived carbon/fly ash (KDC/FA) ceramic metacomposites were
fabricated by vacuum hot-press sintering with FA and kapok fiber as raw materials, and their …