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, Q·f=4 395 GHz, τf=6.25×10?6/℃. Key words: dielectric property; Bi doping; microwave dielectric ceramics; tungstenbronze-like structure ...波介质陶瓷；类钨青铜结构 中图分类号:TQ174 文献标识码:A Effects of Bi doping on sintering and dielectric characteristics of Ba6?3xLa8+2x(Ti0.95Zr0.05)18O54(x=2/3) ceramics GAO Xu-fang, QIU Tai......
of the as- received composites. So, the microwave absorbing property of as-received composites is very poor although its dielectric loss is strong. After thermal oxidation, the ε″ decreases obviously... thermal oxidation. These results indicate that the SiCf/SiC composites containing PyC interphase after thermal oxidation possess good microwave absorbing property and fracture behavior. Key words: SiCf/SiC......
Effect of substrate temperature on microstructures and dielectric properties of compositionally graded BST thin films ZHANG Bai-shun(张柏顺), GUO Tao(郭 涛), ZHANG Tian-jin(章天金), WANG Jin-zhao(王... of substrate temperature on the preferential orientation, microstructures and dielectric properties of compositionally graded BST thin films was investigated by X-ray diffraction, scanning electron microscopy......
Effects of Particle Sizes on the Electromagnetic Property of Flaky FeSi CompositesYonggang XU,Liming YUAN,Jun CAI,Jianlu LV,Deyuan ZHANGBionic and Micro/Nano/Bio Manufacturing Technology Research... microwave electrical conductivity and dielectric loss tangent,while the permeability increased due to the decrease of diameter-thickness ratio,which could be demonstrated in the comparison between......
. The dielectric property measurement method is based on the cavity perturbation method that employs a single resonant mode. The change in the cavity characteristics in the presence of a sample has been... and process The dielectric parameter measuring device for zinc oxide dust is shown in Fig. 5. The dielectric property testing equipment was a dielectric parameter tester (dielectric kit for vials......
Effect of crystallization temperature on microstructure and ferroelectric property of Bi3.25Eu0.75Ti3O12 thin films prepared by MOD method HE Lin(何 林)1,2, ZHANG Tong(张 彤)3, TANG Ming-hua(唐明华)1,2...) and Raman spectroscopy, and ferroelectric property was studied by Precision Workstation Ferroelectric Tester. The crystallinity of BET thin films is improved and the average grain size increases......
mA/cm2 in the leakage current density. The dielectric constant increased greatly from 440.1 to 2197.2 with increasing sintering temperature from 875 to 950 °C; however, the dissipation factor exhibited... words: Zn-V-O-based ceramics; Mn-Nb-Tb; sintering; varistor properties; dielectric characteristics; varistor 1 Introduction Zinc oxide is an attractive and smart material, which yields diverse......
Electromagnetic attenuation property of multiphase Fe–Fe3O4–Al2O3 cermets near percolation thresholdKai Sun,Run-Hua Fan,Zi-Dong Zhang,Ke-Lan Yan,Xi-Hua Zhang,Chuan-Bing Cheng,Min Chen,Pei-Tao XieKey... were tested with radio frequency impedance analyzer(0.01–1.00 GHz). The results show that permittivity presents obvious frequency dispersion. Furthermore,dielectric constants of multiphase cermets get......
G F, WANG Y P. Dielectric property of aluminum-doped SiC powder by solid-state reaction[J]. Journal of the American Ceramic Society, 2009, 92: 2116-2118. First principles calculation on dielectric...ε" 与能量的关系曲线 Fig. 4 Relation curves between dielectric constant and energy of Fe75Si25 and Fe71.875Ni3.125Si25: (a) Real part of dielectric constant ε'; (b) Imaginary part of dielectric constant......
MHz). 关键词:低温共烧陶瓷; Bi_2O_3-TiO_2-TeO_2体系; 微波介电性能; LTCC; Bi_2O_3-TiO_2-TeO_2 system; dielectric property; [全文内容正在添加中] ......
