Results 21 to 30 of about 430,501 (291)

Oxygen-vacancy-ordering-induced metal-insulator transition in MgO single crystals

Results in Physics, 2022
Dielectric properties of MgO single crystal were investigated in the temperature range of 300–1100 K and frequency range of 4x101-106 Hz. The sample exhibits intrinsic dielectric response below 400 K, two oxygen-vacancy-related phase transitions around ...
Chao Cheng, Wenjun Cao, Shouguo Huang, Youmin Guo, Yi Yu, Dongping Qiao, Chunchang Wang   +6 more
doaj   +1 more source

Unveiling the Synergy of Polymer–Salt Compositions for Properties Enhancement of Solid Polymer Electrolytes Based on PEO/PVP Blend Polymer Matrix and LiTFSI Dopant Salt

ECS Advances, 2023
Solid polymer electrolytes (SPEs) are ion-dipole complexes credited to their use in the design and development of widespread solid-state ion conducting innovative devices. Accordingly, herein, two sets of highly flexible, stretchable, and sticky type SPE
Vinod Kumar Patel, R. J. Sengwa, Mukul Saraswat   +2 more
doaj   +1 more source

Synergistic Piezo-Photocatalysis of BiOCl/NaNbO₃ Heterojunction Piezoelectric Composite for High-Efficient Organic Pollutant Degradation

Nanomaterials, 2022
Piezo-photocatalytic technique is a new-emerging strategy to alleviate photoinduced charge recombination and thus enhance catalytic performance. The heterojunction construction engineering is a powerful approach to improve photocatalytic performance ...
Li Li, Wenjun Cao, Jiahao Yao, Wei Liu, Feng Li, Chunchang Wang   +5 more
doaj   +1 more source

High-speed ghost imaging by an unpredictable optical phased array

Frontiers in Physics, 2022
Ghost imaging (GI) retrieves an image from the correlation between a sequence of illumination patterns on the object and their corresponding bucket detections.
Xuyang Sun, Hui Chen, Bingni Qiu, Gao Wang, Wanting Xu, Sheng Luo, Yuan Yuan, Bing Chen, Huaibin Zheng, Yuchen He, Zhuo Xu   +10 more
doaj   +1 more source

Feasibility study on Temperature Modulated Dynamic Dielectric Analysis [PDF]

, 2004
The project concerned the development of a novel measurement and analysis tool, designed to aid the study of cure in thermosetting polymers. Cure is the irreversible process whereby an initially liquid (unreacted) resin turns into a rubbery solid and ...
Kazilas, Michalis C., Partridge, Ivana K.   +1 more
core   +7 more sources

Crossover from normal to diffused and relaxor ferroelectric in BaZrO3-modified (Ba0.85Ca0.15)TiO3 ceramics

Journal of Materiomics, 2021
The variation of dielectric, ferroelectric and piezoelectric characteristics of BaZrO3–modified (Ba0.85Ca0.15)TiO3 ceramics, (1-x)(Ba0.85Ca0.15)TiO3-xBaZrO3, have been investigated together with the structure evolution.
Shao Bo Chen, Jia Yi Yang, Shu Ya Wu, Xiang Ming Chen   +3 more
doaj   +1 more source

Recent Advances in Co₃O₄-Based Composites: Synthesis and Application in Combustion of Methane

Nanomaterials, 2023
In recent years, it has been found that adjusting the organizational structure of Co3O4 through solid solution and other methods can effectively improve its catalytic performance for the oxidation of low concentration methane.
Xinfang Wei, Jiawei Kang, Lin Gan, Wei Wang, Lin Yang, Dijia Wang, Ruixia Zhong, Jian Qi   +7 more
doaj   +1 more source

Dielectric spectroscopy of Tobacco Mosaic Virus [PDF]

, 2003
The dielectric properties of the Tobacco Mosaic Virus (TMV) have been measured using time domain dielectric spectroscopy (TDDS) in the temperature range from 1 to 40 jC. A single dielectric dispersion is observed in the MHz range.
Feldman, Yuri, Ermolina, I., Milner, J.J., Green, Nicolas G, Ermolina, Irina, Green, N. G., Morgan, Hywel, Feldman, Y., Milner, J. J., Green, N.G., Morgan, H., Milner, Joel J   +11 more
core   +1 more source

Dielectric properties of CaCu3Ti4O12 based multiphased ceramics [PDF]

, 2006
A “soft chemistry” method, the coprecipitation, has been used to synthesize the perovskite CaCu3Ti4O12 (CCT). Three main types of materials were obtained for both powders and sintered ceramics: a monophased consisting of the pure CCT phase, a biphased ...
Durand, Bernard, Lebey, Thierry, Boulos, Madona, Guillemet-Fritsch, Sophie, Guillemet, Sophie   +4 more
core   +1 more source

Numerical investigation on compact multimode dielectric resonator antennas of very high permittivity [PDF]

, 2008
Two well known numerical techniques, the Finite Element Method (FEM) and the Finite Integration in Time Domain (FIT), have been applied to study a low volume high permittivity dielectric resonator antenna.
Rotaru, M., Sykulski, J. K., J.K. Sykulski, Sykulski, J.K., M. Rotaru   +4 more
core   +2 more sources