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 …

Abstract Negative permittivity (ε′< 0), considered a supernormal property, has broadened
the range of electromagnetic parameters. It provides a new principle for the design of high …

Abstract Epsilon-near-zero (ENZ) materials are promising candidates in the fields of sensing
technologies, solar energy harvesting, and electromagnetic absorbers, and most research …

As one of the basic component materials of metamaterials, natural negative dielectric
constant (permittivity) materials have attracted more and more attentions; however, the …

Precise control of value and dispersion characteristics of negative permittivity is still an
unsolved problem in the practical application of random metamaterials. In this work, the …

With the development of military aircraft equipment and wearable civilian electronic
equipment, lightweight is becoming more and more important in the design of absorbing …

In this work, the adjustable core-sheath architecture in the hollow carbon
nanofibers/polyaniline (HCNFs/PANI) nanocomposites with negative permittivity and an …

A bio-gel derived strategy was used to construct Ni/C nanocomposites consisting of three-
dimensional (3-D) carbon networks with embedded nickel nanoparticles. The amorphous …

One-dimensional wires are the most common building blocks in metamaterials. In this study,
zero-dimensional nanoparticles connected by tunneling networks were used to construct …

In this work, a unique high negative permittivity is observed in the carbon nanosphere (CNS)
supported nanosilver-polydopamine (PDA) metacomposites (called CNS-PDA/Ag). The …