Dielectric constant (ε, epsilon) is one of the basic physical parameters for materials,
determining the response of materials to electromagnetic waves or electrical field; its value …

A comprehensive review of the fundamentals and applications of epsilon-negative materials
is presented in this paper. Percolative composites, as well as homogeneous ceramics or …

The flexible metacomposites with tunable negative permittivity have great potential in
wearable cloaks, stretchable sensors, and thin-film capacitors, etc. In this paper, the flexible …

Despite the exotic electromagnetic properties have been demonstrated in metamaterials to
date, how to effectively adjust negative electromagnetic parameters remains a challenge …

Recently, flexible metacomposites with negative permittivity have triggered extensive
interest owing largely to their promising applications in areas such as sensors, cloaking, and …

Double negative materials (DNMs) with simultaneously negative permittivity and
permeability have attracted extensive attention worldwide in recent years because of their …

While metal is the most common conductive constituent element in the preparation of
metamaterials, one-dimensional conductive carbon nanotubes (CNTs) provide alternative …

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

Metacomposites with negative permittivity have attracted much attention due to their
potential applications in electromagnetic shielding, novel capacitances and sensors. In this …

Random composites of iron particles hosted in porous alumina were prepared from a facile
impregnation‐reduction process. Interestingly, when the iron content exceeds the …