Results 21 to 30 of about 764,232 (299)
Applicability of point dipoles approximation to all-dielectric metamaterials [PDF]
, 2015 All-dielectric metamaterials consisting of high-dielectric inclusions in a low-dielectric matrix are considered as a low-loss alternative to resonant metal-based metamaterials.
Andryieuski, A. +2 more
core +2 more sources
A novel sol–gel route to synthesize (Sr0.5Ba0.5)Nb2O6 ceramics with enhanced electrocaloric effect [PDF]
Journal of Advanced Dielectrics, 2017 (Sr0.5Ba0.5)Nb2O6 ultra-fine powders were synthesized by a novel sol–gel route, and the mechanism of the reaction was discussed. SrCO3, BaCO3, oxalate niobium and citric acid were used to initiate the sol–gel process, and ethylene glycol (EG) was added ...
Ting Chen +3 more
doaj +1 more source
Room-temperature ferroelectricity in A-site ordered Ruddlesden-Popper Li2CaTa2O7 ceramics
Journal of Materiomics, 2020 In the present work, the crystal structure, ferroelectric and dielectric properties of the dense single-phase Li2CaTa2O7 ceramics with A-site ordered double-layer Ruddlesden-Popper structures have been investigated by the experiments and first-principles
B.H. Zhang +4 more
doaj +1 more source
High-order integral equation methods for problems of scattering by bumps and cavities on half-planes [PDF]
, 2014 This paper presents high-order integral equation methods for evaluation of electromagnetic wave scattering by dielectric bumps and dielectric cavities on perfectly conducting or dielectric half-planes.
Bruno, Oscar P. +1 more
core +2 more sources
Dielectric anisotropy in polar solvents under external fields [PDF]
, 2015 We investigate dielectric saturation and increment in polar liquids under external fields. We couple a previously introduced dipolar solvent model to a uniform electric field and derive the electrostatic kernel of interacting dipoles.
Buyukdagli, Sahin
core +2 more sources
Chemical Physics Impact, 2023 State-of-the-art engineered multifunctional nanocomposites composed of different polymer matrices and functional nanomaterials are in high industrial demand for advances in all-solid-state flexible device technologies.
R.J. Sengwa, Naresh Kumar
doaj +1 more source
CaCu3Ti4O12 ceramics from co-precipitation method: Dielectric properties of pellets and thick films [PDF]
, 2009 Dielectric properties of CaCu3Ti4O12 (CCTO)-based ceramics and thick films (e ∼50m) prepared from powders synthesized by a soft chemistry method (co-precipitation) are presented and discussed.
Barbier, Bertrand +7 more
core +3 more sources
Results in Physics, 2021 BiFeO3 was co-doped with (Ca, Pb) to obtain Bi1-x(Ca1/2Pb1/2)xFeO3 (x = 0, 0.1 and 0.3) and their structural, morphological, dielectric and ferroelectric properties were studied.
Rida Ahmed +5 more
doaj +1 more source
Dyes with high dielectric constants [PDF]
, 1988 The dielectric constants of perylene dyes, perylene-3,4: 9,10-tetracarboxylic bisimides, are reported. With aromatic substituents, dielectric constants up to 110 are obtained. With polymeric dyes, the dielectric constants rise to 260.
Langhals, Heinz
core +1 more source
Effect of Temperature on Creeping Flashover Voltage of Nanofilled Oil-Pressboard Insulation
IEEE Access, 2020 Creeping flashover (surface discharge) at oil-pressboard interface is considered a serious failure of the insulation system in power transformers. In this paper, creeping flashover voltage at oil-pressboard interface using the concept of nanofluids is ...
Mohamed E. Ibrahim +3 more
doaj +1 more source