Results 1 to 10 of about 397,952 (307)

Super Dielectric Materials. [PDF]

Materials (Basel), 2014
Evidence is provided that a class of materials with dielectric constants greater than 100,000, herein called super dielectric materials (SDM), can be generated readily from common, inexpensive materials.Comment: The first material ever with an intrinsic ...
Fromille S, Phillips J.
europepmc   +6 more sources

Boosting the Humidity Performances of Na_0.5Bi_xTiO₃ by Tuning Bi Content

Nanomaterials, 2022
In the field of humidity sensors, a major challenge is how to improve the sensing performance of existing materials. Based on our previous work on Na0.5Bi0.5TiO3, a facile strategy of tuning the Bi content in the material was proposed to improve its ...
Xiaoqi Xuan, Li Li, Tiantian Li, Jingsong Wang, Yi Yu, Chunchang Wang   +5 more
doaj   +1 more source

Humidity Sensitivity Behavior of CH₃NH₃PbI₃ Perovskite

Nanomaterials, 2022
The CH3NH3PbI3 (MAPbI3) powders were ground by PbI2 and CH3NH3I prepared by ice bath method. The humidity sensitive properties of an impedance-type sensor based on MAPbI3 materials were systematically studied.
Xuefeng Zhao, Yuting Sun, Shuyu Liu, Gaifang Chen, Pengfei Chen, Jinsong Wang, Wenjun Cao, Chunchang Wang   +7 more
doaj   +1 more source

Greatly enhanced permittivity in BaTiO3-epoxy dielectric composites with improved connectivity of ceramic phase

Journal of Materiomics, 2021
BaTiO3-epoxy dielectric composites were prepared by curing the liquid epoxy monomer that infiltrated into the partially-sintered BaTiO3 porous ceramics.
Meng Cao, Lei Li, Wen Bin Hong, Shu Ya Wu, Xiang Ming Chen   +4 more
doaj   +1 more source

Humidity Sensing Properties of (In+Nb) Doped HfO₂ Ceramics

Nanomaterials, 2023
(In+Nb) co-doped HfO2 ceramics, Hf1-x(In0.5Nb0.5)xO2 (x = 0, 0.005, 0.05, and 0.1), were prepared via a solid-state reaction method. Dielectric measurements reveal that the environmental moisture has an obvious influence on the dielectric properties of ...
Jiahao Yao, Jingsong Wang, Wenjun Cao, Li Li, Mingxiang Luo, Chunchang Wang   +5 more
doaj   +1 more source

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
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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
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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

Room-temperature-densified H3BO3 microwave dielectric ceramics with ultra-low permittivity and ultra-high Qf value

Journal of Materiomics, 2020
With the rapid development of mobile communication technology towards 5G and 6G, the microwave dielectric materials with ultra-low permittivity and ultra-high Qf value are urgently demanded.
Wen Bin Hong, Lei Li, Han Yan, Shu Ya Wu, Hang Sheng Yang, Xiang Ming Chen   +5 more
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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, Shu Ya Wu, Xiao Qiang Liu, Xiang Ming Chen   +3 more
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