Results 21 to 30 of about 9,580,549 (394)

High-Temperature Polyimide Dielectric Materials for Energy Storage

open access: yesPolyimide for Electronic and Electrical Engineering Applications, 2020
The availability of high-temperature dielectrics is key to develop advanced electronics and power systems that operate under extreme environmental conditions.
J. Zha   +4 more
semanticscholar   +1 more source

Room-temperature ferroelectricity in A-site ordered Ruddlesden-Popper Li2CaTa2O7 ceramics

open access: yesJournal 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 energy storage properties in CaLaTiO3-modified NaNbO3-based lead-free antiferroelectric ceramics

open access: yesJournal of Advanced Dielectrics, 2023
In this work, (1 [Formula: see text])(0.92NaNbO3–0.08BaTiO3)–[Formula: see text]Ca[Formula: see text]La[Formula: see text]TiO3 (NNBT – [Formula: see text]CLT) ceramics were successfully designed and prepared by the solid-state reaction method ...
Cen Liang   +5 more
doaj   +1 more source

High dielectric constant and low temperature ferroelectric-phase-transition in Ca, Pb co-doped BiFeO3

open access: yesResults 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

Fabrication of Advanced Cellulosic Triboelectric Materials via Dielectric Modulation

open access: yesAdvancement of science, 2023
The rapid rise of triboelectric nanogenerators (TENGs), which are emerging energy conversion devices in advanced electronics and wearable sensing systems, has elevated the interest in high‐performance and multifunctional triboelectric materials.
Guoli Du   +10 more
semanticscholar   +1 more source

Mode-matching analysis of a shielded rectangular dielectric-rod waveguide [PDF]

open access: yes, 2005
Rectangular cross-section dielectric waveguides are widely used at millimeter wavelengths. In addition, shielded dielectric resonators having a square cross-section are often used as filter elements, however there is almost no information available on ...
Ball, James A. R., Wells, Colin G.
core   +2 more sources

Giant room temperature elastocaloric effect in metal-free thin-film perovskites

open access: yesnpj Computational Materials, 2021
Solid-state refrigeration which is environmentally benign has attracted considerable attention. Mechanocaloric (mC) materials, in which the phase transitions can be induced by mechanical stresses, represent one of the most promising types of solid-state ...
Cheng Li   +7 more
doaj   +1 more source

The Role of the Accumulated Surface Charge on Nanoparticles in Improving the Breakdown Strength of Liquid and Solid Insulation

open access: yesEnergies, 2022
In this paper, the role of the accumulated surface charge on the surfaces of nanoparticles on breakdown strength for liquid and solid dielectrics is presented. The breakdown strengths of a nanofilled liquid dielectric and a solid dielectric are evaluated.
Mohamed E. Ibrahim   +4 more
doaj   +1 more source

Dielectric Loss Mechanism in Electromagnetic Wave Absorbing Materials

open access: yesAdvancement of science, 2022
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.
Ming Qin, Limin Zhang, Hongjing Wu
semanticscholar   +1 more source

Electric-field-controlled magnetism due to field-induced transition of Pna21/R3c in Bi1-xGdxFeO3 ceramics

open access: yesJournal of Materiomics, 2021
BiFeO3 has been recognized as one of the most important room-temperature single-phase multiferroic materials, but it still suffers from several drawbacks especially the weak magnetoelectric coupling.
Jing Chen   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy