Results 21 to 30 of about 409,557 (326)

Chitosan – Graphite – Maghemite – a Flexible, Superparamagnetic Nanocomposite Comprising of Microcapacitors [PDF]

open access: yesProgress in Physics of Applied Materials, 2023
In this work, an eco-friendly “green” nanocomposite of chitosan containing graphite and maghemite (g-Fe2O3) nanoparticles were prepared by solution casting method.
Saravanan Annamalai   +1 more
doaj   +1 more source

All-organic dielectric-percolative three-component composite materials with high electromechanical response [PDF]

open access: yes, 2004
By combining the high-dielectric copper phthalocyanine oligomer (PolyCuPc) and conductive polyanline (PANI) within polyurethane (PU) matrix an all-organic three-component dielectric-percolative composite with high dielectric constant is demonstrated.
Bhattacharya, Kaushik   +3 more
core   +1 more source

Dielectric Characterization of Chinese Standard Concrete for Compressive Strength Evaluation

open access: yesApplied Sciences, 2017
Dielectric characterization of concrete is essential for the wireless structural health monitoring (SHM) of concrete structures. Guo Biao (GB) concrete refers to the concrete mixed and cast in accordance with the Chinese standard. Currently, China is the
Kwok L. Chung   +5 more
doaj   +1 more source

Growth Stress Induced Tunability of Dielectric Constant in Thin Films

open access: yes, 2015
It is demonstrated here that growth stress has a substantial effect on the dielectric constant of zirconia thin films. The correct combination of parameters - phase, texture and stress - is shown to yield films with high dielectric constant and best ...
Banerjee, Amiya   +6 more
core   +1 more source

Study on soil dielectric constant models: A review

open access: yesGuan'gai paishui xuebao
【Objective】 Soil dielectric constant measures the ability of a soil to transmit electric fields. It is the ratio of the capacitance of a soil sample to the capacitance of air-filled space of the same volume.
XU Xingqian   +4 more
doaj   +1 more source

Law of relative dielectric constant of coal under different stresses and gas pressures

open access: yes矿业科学学报, 2018
In order to study the law of the relative dielectric constant of coal containing gas, the relative dielectric constant of coal containing gas under different stress and gas pressure is studied by using self-made electrical parameter test system, and the ...
Li Xiangchun   +4 more
doaj   +1 more source

A simple electrostatic model applicable to biomolecular recognition

open access: yes, 2009
An exact, analytic solution for a simple electrostatic model applicable to biomolecular recognition is presented. In the model, a layer of high dielectric constant material (representative of the solvent, water) whose thickness may vary separates two ...
A. Ben-Naim   +7 more
core   +1 more source

Dielectric behavior of Copper Tantalum Oxide

open access: yes, 2003
A thorough investigation of the dielectric properties of Cu2Ta4O12, a material crystallizing in a pseudo-cubic, perovskite-derived structure is presented.
A. Loidl   +7 more
core   +1 more source

High Dielectric Design of Polymer Composites by Using Artificial Neural Network

open access: yesApplied Sciences, 2022
Polymer-based composites with a high dielectric property have shown great potential in electrical energy storage applications. It is important to predict the dielectric constant in designing polymer composites, but it is costly and time consuming.
Sungyub Ji   +3 more
doaj   +1 more source

Screening of Coulomb interactions in liquid dielectrics

open access: yes, 2018
The interaction of charges in dielectric materials is screened by the dielectric constant of the bulk dielectric. In dielectric theories, screening is assigned to the surface charge appearing from preferential orientations of dipoles along the local ...
Martin, Daniel R.   +2 more
core   +1 more source

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