Results 1 to 10 of about 1,030,595 (310)

Dielectric polarisation in naturally disordered trilead tetroxide Pb3O4

Physics of Complex Systems, 2020
The paper presents the results of an experimental study of trilead tetraoxide Pb3O4 binder layers and their dielectric properties. The study revealed polarisation processes in low frequency range associated with structure peculiarities in the Pb3O4 ...
Вачаган Тигранович Аванесян, Екатерина Петровна Баранова, Ксения Александровна Чурсина   +2 more
doaj   +4 more sources

Breaking polarisation-bandwidth trade-off in dielectric metasurface for unpolarised white light

Nanophotonics, 2020
Optical metasurfaces have gained attention due to their considerable prospects, which can benefit consumers and industries in terms of virtual reality devices and digital displays in various multimedia and entertainment-related applications.
Muhammad Afnan Ansari, Muhammad Zubair, Muhammad Qasim Mehmood   +2 more
exaly   +3 more sources

Analysis of conductance and interfacial polarisation behaviours of silicone rubber based on frequency domain spectroscopy

High Voltage, 2023
Silicone rubber (SR) is widely used for cable insulation and operates in multi‐stress coupling conditions. Its dielectric properties and ageing performance are the essential factors affecting cable operation.
Hao Hu, Zhidong Jia, Xilin Wang, Ruiyang Guan, Weinan Fan, Simin Luo   +5 more
doaj   +2 more sources

Equilateral triangular dielectric resonator based co-radiator MIMO antennas with dual-polarisation

IET Microwaves, Antennas and Propagation, 2018
In this study, two types of dielectric resonator antennas (DRAs) with dual-polarisation are proposed and investigated for multiple-input multiple-output (MIMO) applications.
Mohammad Jaleel Akhtar, Abhishek Sharma, Animesh Biswas   +2 more
exaly   +2 more sources

A strategy for accurate prediction of dielectric permittivity and dielectric strength in polyimide

High Voltage
A strategy was proposed to predict accurately the dielectric permittivity and dielectric strength based on the Onsager local field theory. The molecular dynamic simulation was utilised to analyse the dipole moment fluctuation in polyimide (PI) to reflect
Yu Wang, Changhai Zhang, Jiaqi Lin, Hongguo Sun, Ying Yang, Wenlong Yang   +5 more
doaj   +2 more sources

Effects of electrothermal ageing on dielectric performance of metallised biaxial orientation polypropylene film capacitors in strong magnetic fields

High Voltage
The dielectric performance of the pristine and the electrothermal‐aged metallised polypropylene capacitors are investigated under different magnetic fields. The energy storage capacity decreases under the magnetic field. At 12 T, the capacitance value of
Haoliang Liu, Boxue Du, Meng Xiao, Ke Chen, Yanwei Ma   +4 more
doaj   +2 more sources

Stability of giant dielectric properties in co‐doped rutile TiO2 ceramics under temperature and humidity

IET Nanodielectrics
This research investigated the influence of temperature and humidity on the giant dielectric (GD) properties of 1% indium tin oxide and 1% Ta2O5 co‐doped TiO2 ceramics sintered at different temperatures.
Jurimart Wongsricha, Viyada Harnchana, Pornjuk Srepusharawoot, Nutthakritta Phromviyo, Pairot Moontragoon, Prasit Thongbai   +5 more
doaj   +2 more sources

Study on the terahertz domain dielectric relaxation response and mechanism of thermal‐oxidative aged cross‐linked polyethylene

High Voltage
To further study the thermal‐oxidative ageing mechanism of crosslinked polyethylene (XLPE), the terahertz frequency domain dielectric parameters and relaxation phenomena of thermal‐oxidative aged XLPE are analysed using terahertz time domain spectroscopy.
Mengqi Wang, Shihang Wang, Xinyu Li, Yang Feng, Jingran Wang, Shengtao Li   +5 more
doaj   +2 more sources

A Frequency Tunable Dielectric Resonator Antenna with Reduction of Cross Polarisation for Wi MAX and Sub 6 GHz 5G Applications

Defence Science Journal, 2023
A frequency Tunable (mechanical tuning) Linearly Polarized (TLP) rectangular Dielectric Resonator Antenna(DRA) coupled with a horizontal/vertical-slot and excited with circular-ring type feed is investigated in this article.The frequency tunability ...
Rajkishor Kumar, Avinash Chandra, N. Mishra, R. K. Chaudhary   +3 more
semanticscholar   +1 more source

Time‐domain characterisation of epoxy‐based barium titanate nanocomposites

IET Nanodielectrics, 2021
In this article, the dielectric response of epoxy resin and epoxy‐based barium titanate (BaTiO3) nanocomposites is characterised in the time‐domain, based on polarisation and depolarisation current measurements.
Romana Zafar, Nandini Gupta
doaj   +1 more source