Recent advances in radio-frequency negative dielectric metamaterials by designing heterogeneous composites
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 …
determining the response of materials to electromagnetic waves or electrical field; its value …
Epsilon-negative media from the viewpoint of materials science
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 …
is presented in this paper. Percolative composites, as well as homogeneous ceramics or …
Negative permittivity behavior in flexible carbon nanofibers-polydimethylsiloxane films
H Wu, H Sun, F Han, P Xie, Y Zhong, B Quan… - Engineered …, 2021 - espublisher.com
Flexible electronic devices have recently become a research hotspot due to their potentials
in different applications. However, there is a lack of studies about flexible metamaterials with …
in different applications. However, there is a lack of studies about flexible metamaterials with …
Tunable negative permittivity in flexible graphene/PDMS metacomposites
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 …
wearable cloaks, stretchable sensors, and thin-film capacitors, etc. In this paper, the flexible …
Tunneling-induced negative permittivity in Ni/MnO nanocomposites by a bio-gel derived strategy
P Xie, Y Li, Q Hou, K Sui, C Liu, X Fu, J Zhang… - Journal of Materials …, 2020 - pubs.rsc.org
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 …
zero-dimensional nanoparticles connected by tunneling networks were used to construct …
Doped ceramics of indium oxides for negative permittivity materials in MHz-kHz frequency regions
Negative permittivity has been widely studied in various metamaterials and percolating
composites, of which the anomalous dielectric behavior was attributed to critical structural …
composites, of which the anomalous dielectric behavior was attributed to critical structural …
Tunable and weakly negative permittivity in carbon/silicon nitride composites with different carbonizing temperatures
Despite the exotic electromagnetic properties have been demonstrated in metamaterials to
date, how to effectively adjust negative electromagnetic parameters remains a challenge …
date, how to effectively adjust negative electromagnetic parameters remains a challenge …
Flexible silver nanowire/carbon fiber felt metacomposites with weakly negative permittivity behavior
Recently, flexible metacomposites with negative permittivity have triggered extensive
interest owing largely to their promising applications in areas such as sensors, cloaking, and …
interest owing largely to their promising applications in areas such as sensors, cloaking, and …
Radio frequency negative permittivity in random carbon nanotubes/alumina nanocomposites
While metal is the most common conductive constituent element in the preparation of
metamaterials, one-dimensional conductive carbon nanotubes (CNTs) provide alternative …
metamaterials, one-dimensional conductive carbon nanotubes (CNTs) provide alternative …
Temperature dependence of the electromagnetic properties of graphene nanosheet reinforced alumina ceramics in the X-band
Q Yuchang, W Qinlong, L Fa… - Journal of Materials …, 2016 - pubs.rsc.org
Graphene nanosheet (GN)/Al2O3 ceramics were prepared by hot press sintering with a
significant improvement in both mechanical and electromagnetic properties. The excellent …
significant improvement in both mechanical and electromagnetic properties. The excellent …