dielec相关论文
Enhanced giant dielectric properties and improved nonlinear electrical response in acceptor-donor (A
The giant dielectric behavior of CaCu3Ti4O12 (CCTO) has been widely investigated owing to its potential applications in ......
Synthesis and study the influence of yttrium doping on band structure,optical,non-linear optical and
Ca12Al14O33 (C12A7) and Y0.02Ca11.98Al14O33 (Y-C12A7) single crystals were grown by using the traveling-solvent floating......
Understanding the failure mechanisms of microwave bipolar transistors caused by electrostatic discha
Electrostatic discharge(ESD) phenomena involve both electrical and thermal effects,and a direct electrostatic discharge ......
The effects of different defects on optical properties and plasmon resonances properties of Au nanoshell arrays were inv......
A comparison between powders and thin films of single-walled carbon nanotubes for the adsorption beh
We have compared the adsorption behaviors between single-walled carbon nanotube (SWCNT) powders and thin films with amin......
In this letter,the effects of Bragg-mirror quasi-periodicity on the shifts and quality factor in defect modes of photoni......
Since the low-voltage power supplies for the ion source have to be floated in 30kV,it is needed to put them in a high-vo......
An ultra-wideband pattern reconfigurable antenna is proposed.The antenna is a dielectric coaxial hollow monopole with a ......
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This paper introduces the research work on the extension of multilevel fast multipole algorithm (MLFMA) to 3D complex st......
断路器电容器电容及介损测量是保证断路器安全稳定运行的一项重要工作。现场测量存在感应电场严重干扰的问题,而且目前出现越来越多......
在波导缝隙天线表面涂敷介质层可以起到保护、隔热的作用,而且合理设计介质层参数能够改善天线的性能。利用等效关系,将介质涂覆SI......
Aiming at developing novel microwave-transparent ceramics with low dielectric loss,high thermal conductivity and high st......
利用溶胶-凝胶工艺制备CaCusTi4O12粉体,经相同压力和时间冷压后,于1 000℃下进行烧结,制备CaCu3Ti4O12陶瓷.微观组织观察表明,烧......
本文简述电容式电压互感器的工作原理、结构及在电力系统中所起的作用;介绍目前CVT试验的常规接线方法,提出现场测量CVT介损及电容......
强夯法是地基处理的重要方法之一,在进行强夯地基处理时要评价强夯振动效应,评价的基础正是强夯振动振幅和振动衰减规律。以昌平区沙......
为提高毫米波成像系统的空间分辨率,研究了毫米波成像准光路设计方法。讨论了聚焦元件的截断效应,研究了天线增益与束腰半径关系并利......
为了研究分析界面电荷等特性对器件的影响,制备了基于P3HT给体的单/双受体平面异质结(PHJ)有机太阳能电池(OPV)。首先研究了P3HT膜厚、P......
采用固相反应法制备(Mg0.95-xZnxCa0.05)TiO3介质陶瓷。研究了ZnO掺杂对MCT陶瓷介电性能的影响。结果表明,ZnO掺杂的MCT陶瓷的主晶相......
A(B′1/3B″2/3)O3型微波介质陶瓷中,B位阳离子对损耗和有序结构有较大的影响。该文研究了B位离子非化学计量比对损耗及有序结构的影响,......
本文叙述了陶瓷在功率电子器件输出窗组件中具有特殊地位和作用。当今,氮化铝陶瓷具有高热导率,低的介质损耗和非常低的次级电子发......
采用水热法合成SrBi2Ta2O9(SBT)纳米粉体,成型后采用常规烧结法制备SBT陶瓷。利用XRD和SEM研究陶瓷的物相和微观形貌;利用介电温谱研究......
正丁胺盐酸盐、冠醚(18C6)和氯化锌在甲醇溶液中常温反应得到一种新颖的冠醚超分子包合物。该化合物为一种有机无机金属盐,其分子内通......
本文讨论了微波介质谐振器介电参数频响特性和频率温度系数的测试方法、测试装置和测试系统。用Q值较高的TE0mn模作为测试介电参数......
物理发泡绝缘,环形皱纹导体同轴电缆具有优良的电气性能及耐环境性能,SYFY-50-25-52型电缆是国内第一根大直径发泡绝缘、菜皱纹导体同轴电缆。本文......
以六甲基二硅氧烷、双乙烯基四甲基二硅氧烷和硅酸乙酯为主要原料,合成加成反应型单体。红外和电子透镜分析结果表明,该单体中含有乙......
Effects of rare earth addition on sintering process and dielectric property of cordierite based glas
The effects of rare earth oxide on the sintering and dielectric property of cordierite-based glass-ceramics with non-sto......
从发展历程、晶体结构、制备及反应过程、介电性能等方面介绍了具有中等介电常数的CaTiO3-LaAlO3微波介质陶瓷的研究进展,讨论了目......
采用溶胶-凝胶法制备Na1/2La1/2Cu3Ti4O12(NLCTO)粉体和陶瓷样品,探讨不同Ti^4+浓度、pH值和水含量对NLCTO粉体和陶瓷结构的影响。结......
采用固相烧结法制备了不同组分Pb(ZrxTi1-x)O3(x=0.8、0.7、0.48、0.3、0.2)陶瓷.分别采用TG/DSC分析仪、X射线衍射仪、扫描电子显微镜......
采用常压水相法,在100℃以下制备了一系列Ba1-xCaxZryTi1-yO3固溶体纳米粉末(0≤x≤0.5,0≤y≤0.3),经XRD物相分析和d-间距-组成证明,产品为立方晶系的完全......
利用WZ模型将绝缘介质离散化,使用分形理论讨论了绝缘介质中电树发展的随机性和确定性。在原有WZ模型的基础上引入了分布耐电强度的......
本文综述了利用飞秒激光三维直写技术,在玻璃和晶体等透明介电材料中实现微流体、微光学、微电子学等一系列功能性微纳结构,并进一步......
为了提高等离子体的流动控制能力,在常规大气环境,来流风速分别为20m/s、30m/s、40m/s条件下进行了介质阻挡放电抑制NACA0015翼型......
The field dependences of the dielectric response and conductivity are measured in a frequency range from 100 Hz to 1 MHz......
以氧化还原法为基础制备了两种非改性的还原氧化石墨烯(R60):水合肼还原制备的RGO(RGO-N)和水合肼还原后真空退火制备的RGO(RGO-V),之后以......
利用自制的RF-CVD装置合成了Si3N4超微粒。着重考察了反应气混合方式对反应机理、化学含量、粒子形态及凝聚结构的影响。得到的Si3N4粒子的典型尺寸......
采用传统电子陶瓷工艺制备新型钙钛矿体系(1-x)(K0.485Na0.485Li0.03)NbO3-xPb(Zr0.53Ti0.47)O3陶瓷,研究了该体系陶瓷的介电铁电性能。X......
通过固相反应烧结法在1400°C下烧结4 h合成了Ba Ti O3陶瓷,并用X衍射确定了其为四方晶系.进行了拉曼谱和红外谱的测量,并采用......
采用烧成法制备了xCa0.8Sr0.2TiO3-(1-x)Li0.5La0.5TiO3(CST-LLT)(x=0.4-0.8)系介质陶瓷,表征了其物相组成、结构特征及介电性能。所制备......
合成并用X-射线单晶衍射表征了一个离子对化合物1,7-bis(1-methylimidazolium)heptane bis(maleonitriodithiolato)nickelate (1)的结构.......
通过超临界二氧化碳(scCO2)发泡法制备了微孔多壁碳纳米管(MWCNT)/硅橡胶泡沫。探讨了多壁碳纳米管对微孔泡沫的流变性能、泡孔结......
Y5V型BaTiO3基介电陶瓷具有介电性能高、温度稳定性好等优点,因此被广泛的应用和研究。本文从Y5V型介电陶瓷研究的现状、制备方法、......
The dielectric permittivity of cementitious materials during 24 hours hydration period at a frequency of 2.45 GHz using ......
A polycrystalline sample of Ba5GdTi3V7O30 was prepared using a mixed oxide method at high temperature (i.e., at 950℃). ......
Mixed Mg-Cr Nano ferrites having the compositional formula MgCrxFe2-xO4 (where x = 0.0, 0.1, 0.3, 0.5, 0.7, 0.9 and 1.0)......
The graphene is used to enhance the thermal conductivity, but it is difficult to obtain uniform dispersion and low diele......
综述不同εr微波介质陶瓷的种类,即M2Si O2(M=Mg,Zn)、Al2O3和AB2O4等低εr微波介质陶瓷,Ba O-Ti O2-Nb2O5、(Zr,Sn)Ti O4和MTiO3-......
用大气压空气中多针-平板电极结构的DBD对玻璃表面进行憎水性改性.通过测量水接触角、表面电阻和湿闪电压等研究了这两种形式DBD产......