Results 321 to 330 of about 284,309 (382)
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Fundamentals, processes and applications of high-permittivity polymer–matrix composites

Progress in Materials Science, 2012
Zhi-Min Dang, Jin-Kai Yuan, Jun-Wei Zha
exaly   +2 more sources

Tunneling-induced negative permittivity in Ni/MnO nanocomposites by a bio-gel derived strategy

Journal of Materials Chemistry C, 2020
Tunneling-induced negative permittivity is attributed to the low frequency plasmonic state in tunneling networks, where nickel nanoparticles are still isolated geometrically but connected electrically.
Peitao Xie   +11 more
semanticscholar   +1 more source

Flexible Nanodielectric Materials with High Permittivity for Power Energy Storage

Advanced Materials, 2013
Study of flexible nanodielectric materials (FNDMs) with high permittivity is one of the most active academic research areas in advanced functional materials.
Zhi-Min Dang, Jin-Kai Yuan
exaly   +2 more sources

High Permittivity CaCu3Ti4O12 Particle‐Induced Internal Polarization Amplification for High Performance Triboelectric Nanogenerators

Advanced Energy Materials, 2020
Here, a composite material based on the butylated melamine formaldehyde (BMF) and high permittivity CaCu3Ti4O12 (CCTO) particles as a triboelectric dielectric material for stable high output triboelectric nanogenerators (TENGs) is proposed.
Jihye Kim   +6 more
semanticscholar   +1 more source

Improved Permittivity Calibration Method for Wideband In Situ Permittivity Probe

IEEE Geoscience and Remote Sensing Letters, 2013
This letter discusses about an improved permittivity probe calibration method for calculating the complex permittivity of soils from reflection data over a very wide bandwidth. The accuracy of this method is demonstrated using reflection data collected from a unique wideband (10-1000 MHz) permittivity probe specifically designed for quick in situ ...
Ming Chen, Chi-Chih Chen
openaire   +2 more sources

Optimization Techniques on Permittivity Distribution in Permittivity Graded Solid Insulators

Conference Record of the 2006 IEEE International Symposium on Electrical Insulation, 2006
We have proposed a new concept for solid insulation; an application of FGM (functionally graded materials). By controlling the distribution of dielectric permittivity inside solid insulators, we can achieve the efficient field control with keeping simple configuration of solid insulators.
Katsumi Kato   +3 more
openaire   +2 more sources

Ultrahigh-Sensitivity Microwave Sensor for Microfluidic Complex Permittivity Measurement

IEEE transactions on microwave theory and techniques, 2019
The conventional resonant-type microwave microfluidic sensors made of planar resonators suffer from limited sensitivities. This is due to the existence of several distributed capacitors in their structure, where just one of them acts as a sensing element.
A. Ebrahimi, James Scott, K. Ghorbani
semanticscholar   +1 more source

Permittivity of Polycrystalline Material

Ferroelectrics, 2013
Polycrystalline material is modeled as a close-packed structure composed of uniaxial grains (crystallites) of varying orientation, shape and size. Effective dielectric response of such systems can be described using the spectral representation. Its formal similarity to the isotropic 2–component composite provides the same description in the framework ...
A. Klíč, I. Rychetský
openaire   +2 more sources

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