Dielectric Loss Mechanism in Electromagnetic Wave Absorbing Materials
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202105553
Abstract: Electromagnetic (EM) wave absorbing materials play an increasingly important role in modern society for their multi‐functional in military stealth and incoming 5G smart era. Dielectric loss EM wave absorbers and underlying loss mechanism investigation are… read more here.
Keywords: dielectric loss; electromagnetic wave; loss mechanism; loss ... See more keywords
Polybutadiene Dielectric Elastomers with high Dielectric Constant and Ultralow Dielectric loss via Tuning Grafted Polar Groups.
Sign Up to like & getrecommendations! Published in 2023 at "Macromolecular rapid communications"
DOI: 10.1002/marc.202200971
Abstract: This study describes an easy and effective process for preparing a homogeneous polybutadiene (PB) dielectric elastomer with improved actuated strain by utilizing a photochemical thiol-ene click reaction. The carboxyl groups and various ester groups are… read more here.
Keywords: dielectric loss; polybutadiene dielectric; dielectric constant; ester groups ... See more keywords
High permittivity and low dielectric loss of (1-x) Bi0.5(Na0.48K0.52)0.5TiO3-xBaZrO3 lead-free ceramics
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-020-03548-8
Abstract: Herein, (1-x)Bi0.5(Na0.48K0.52)0.5TiO3-xBaZrO3 ceramics (aliased as (1-x)BNKT-xBZ, where x = 0.00, 0.03, 0.06, 0.09) were fabricated via solid-state reaction, and the microstructure, dielectric as well as impedance properties were researched in detail. It was found that all the… read more here.
Keywords: 5tio3 xbazro3; 48k0 5tio3; dielectric loss; bi0 na0 ... See more keywords
A General Strategy to Achieve Colossal Permittivity and Low Dielectric Loss Through Constructing Insulator/Semiconductor/Insulator Multilayer Structures
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Low Temperature Physics"
DOI: 10.1007/s10909-018-1985-1
Abstract: In this work, we propose a route to realize high-performance colossal permittivity (CP) by creating multilayer structures of insulator/semiconductor/insulator. To prove the new concept, we made heavily reduced rutile TiO2 via annealing route in Ar/H2… read more here.
Keywords: permittivity; semiconductor; dielectric loss; insulator ... See more keywords
Low dielectric loss of Bi-doped BaZr0.15Ti0.85O3 ceramics for high-voltage capacitor applications
Sign Up to like & getrecommendations! Published in 2017 at "Ceramics International"
DOI: 10.1016/j.ceramint.2017.06.077
Abstract: Abstract BaZr 0.15 Ti 0.85 O 3 ceramics are prepared via the conventional solid state reaction method. The effects of Bi 2 O 3 ·3TiO 2 doped on dielectric properties and breakdown strength of BaZr… read more here.
Keywords: loss doped; breakdown strength; dielectric loss; doped bazr0 ... See more keywords
The effects of La2O3 doping on the photosensitivity, crystallization behavior and dielectric properties of Li2O-Al2O3-SiO2 photostructurable glass
Sign Up to like & getrecommendations! Published in 2018 at "Ceramics International"
DOI: 10.1016/j.ceramint.2018.08.085
Abstract: Abstract Photostructurable Li2O-Al2O3-SiO2 glass is a promising material to fabricate complex three-dimensional structure with a high aspect ratio. However, its high dielectric loss at high frequencies has restrained its application in the field of integrated… read more here.
Keywords: li2o al2o3; crystallization; dielectric loss; al2o3 sio2 ... See more keywords
Graphene/polypyrrole nanocomposites with high negative permittivity and low dielectric loss tangent
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2018.11.241
Abstract: Abstract Graphene (GNs)/ polypyrrole (PPy) nanocomposites with different content of GNs prepared by in-situ polymerization possess negative permittivity in the range of test frequency. Importantly, the GNs/PPy nanocomposites also have low dielectric loss tangent. ATR… read more here.
Keywords: negative permittivity; ppy nanocomposites; loss tangent; dielectric loss ... See more keywords
Optical spectroscopy: An effective tool to probe the origin of dielectric loss in Cr doped PrFeO3
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.01.177
Abstract: Abstract The composition dependent dielectric and optical absorption measurements have been carried out on polycrystalline samples of PrFe1-xCrxO3 (x = 0 to 0.20) in order to investigate the possible correlation between (i) dielectric loss; defined in terms… read more here.
Keywords: spectroscopy; loss; origin dielectric; band ... See more keywords
Filler-synergy route for optimising dielectric features of novel polymer-based ternary composite films bearing Fe2TiO5 pseudo-perovskite and graphite particles
Sign Up to like & getrecommendations! Published in 2020 at "Ceramics International"
DOI: 10.1016/j.ceramint.2020.11.198
Abstract: Abstract High permittivity and low dielectric loss play a crucial role in enabling the applications of polymer-based composite dielectrics bearing ceramic particles in promising energy storage devices. The well-designed synergy of the two types of… read more here.
Keywords: permittivity; dielectric loss; ternary composite; pseudo perovskite ... See more keywords
The effect of residual stresses and dislocations on microwave dielectric loss in rutile-related (Ti0.6Zr0.4)0.8(Zn1/3Nb2/3)0.2O2
Sign Up to like & getrecommendations! Published in 2021 at "Ceramics International"
DOI: 10.1016/j.ceramint.2021.09.098
Abstract: Abstract Strain and stress play an important role in functional materials, but they are often neglected in electroceramics. Here we report the stress effect on microwave dielectric loss in rutile-related (Ti0.6Zr0.4)0.8(Zn1/3Nb2/3)0.2O2 solid solutions. The macroscopic,… read more here.
Keywords: loss rutile; dielectric loss; microwave dielectric; stress ... See more keywords
Constructing conductive multi-walled carbon nanotubes network inside hexagonal boron nitride network in polymer composites for significantly improved dielectric property and thermal conductivity
Sign Up to like & getrecommendations! Published in 2017 at "Composites Science and Technology"
DOI: 10.1016/j.compscitech.2017.07.014
Abstract: Abstract With the rapid development of high performance capacitors for energy storage, materials with both giant dielectric constant and low dielectric loss are urgently needed. Adding conductive filler could largely enhance the dielectric constant of… read more here.
Keywords: network; dielectric constant; dielectric loss; thermal conductivity ... See more keywords