Abstract

Referring to the original envisage of Ti3SiC2/copper calcium titanate metacomposites, negative permittivity property depends on low-frequency collective plasma oscillation of free electrons in formed conductive Ti3SiC2 networks. It’s confirmed that a transition from hopping conduction to metallic conduction behavior of metacomposites is related to the percolative evolution from isolated Ti3SiC2 fillers to interconnected networks. In typical, the dielectric permittivity value was feasibly tuned by varying Ti3SiC2 content. The positive reactance of epsilon-negative materials indicates that inductive character is one of their inherent natures.

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