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

As an important supplement to the metamaterials, negative permittivity in'natural'materials
has attracted increasing attention, while some fundamental regulation mechanisms and …

Abstracts Epsilon-negative materials with high thermal conductivity and low electrical
conductivity are of great importance for high power microwave devices. In this work, BaTiO …

Negative capacitance in ferroelectrics has seem remarkable progress in recent years.
However, direct measurement of negative capacitance has so far been a challenge due to …

Abstract NiFe 2 O 4@ BaTiO 3 multiferroic composite particles were produced by a simple
hydrothermal method in two steps: preparing NiFe 2 O 4 nanoparticles and then …

Since the electromagnetic metamaterials are artificial materials with subwavelength‐scale
periodic architectures, they can manipulate electromagnetic waves by exhibiting unusual …

Recently, negative parameters such as negative permittivity and negative permeability have
been attracting extensive attention for their unique electromagnetic properties. Usually …

The single-phase Bi 1-x Nd x FeO 3 (x= 0, 0.05, 0.10, 0.15, 0.20) were synthesized by the sol-
gel method. Their crystal structure and microwave electromagnetic property in the frequency …

The microwave absorbing properties of multiferroic particulate composites consisting of Co 2
Z hexaferrite and BaTiO 3 (BT) were investigated over a frequency range of 2–18 GHz. The …

For conventional metal/ceramic composites, we report an interesting negative permittivity
behavior, which was usually observed in artificial metamaterials. The Fe/Al 2 O 3 composites …