The investigation of inexpensive, effective, environmentally friendly next-generation energy
storage devices is an urgent task due to the discontinuities of new generation energy that …

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 …

Electromagnetic wave (EM) pollution caused by rapid development of electric devices has
been threatening people's lives. Thus, the need for high-performance and lightweight …

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

Acoustic metamaterials (AMs), which are materials composed of subwavelength periodic
artificial structures with specific designs, have drawn significant research attention. This is …

In this work, dielectric behaviors of dielectric resonance, relaxation, and plasma-like
negative permittivity are observed in percolative copper/rutile cermets. Transition for …

Abstract Negative permittivity (ε′< 0) has been a vital and eye-catching electromagnetic
parameter for designing new-generation electrical devices. However, ε′-negative materials …

Flexible composites with negative permittivity have great potentials in flexible electronics
and wearable devices. To improve their working performance, it is critical to search for such …

High dielectric permittivity materials are widely employed in various electronic devices. To
satisfy the ongoing miniaturization of electronic devices, materials with further enhanced …

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