supported by the National Key R&D Program of China (2018YFE0200100);Natural Science Foundation of China (51921005);National Postdoctoral Program for Innovative Talents (BX20200204).
field-grading composite with a low switching field,stable nonlinear conductivity performance,and excellent mechanical and thermal properties was prepared by using hybrid ZnO micro-spherical varistors of different part...
supported by the National Natural Science Foundation of China(52077118);the Guangdong Basic and Applied Basic Research Foundation(2021A1515011778);the State Key Laboratory of New Ceramic and Fine Processing Tsinghua University(KFZD201903);the State Grid Cor-poration of China Headquarters Technology Project(5200‐201,940,081A‐0‐0‐00).
The development of ultra‐high voltage transmission lines requires a ZnO arrester with excellent electrical response and high voltage gradient.Compared with conventional preparation methods,flash sintering allows fast...
the financial supports from the National Natural Science Foundation of China(Nos.52072004,51802003,51572113)。
Mg-doped CaCu_(3-x)Mg_(x)Ti_(4)O_(12)(x=0,0.05,0.1,0.15,0.2,at.%)thin films were prepared by a modified sol−gel method.A comparative study on the microstructure and electrical properties of Mg-doped CaCu_(3)Ti_(4)O_(1...
financially supported by the National Natural Science Foundation of China(No.51937008);the Science and Technology Project of State Grid Corporation of China(SGCC)(No.5216A01600W3)。
Significantly enhanced varistor properties via tailoring interface states were obtained in Ca_(1-2x/3)Y_(x)Cu_(3)Ti_(4)O_(12)-SrCu_(3)Ti_(4)O_(12) composite ceramics.The breakdown field was improved to 35.8 kV cm^(-1)...
Varistor ceramics are typical electronic ceramics, which are widely used in circuits of overvoltage protection, high voltage stabilization and high energy surge absorption. TiO2 varistor ceramics has the ad...
the Complexo de Laboratórios Multiusuários(C-Labmu/UEPG)and CAPES,CNPq,Fundacao Araucária,Ministerio de Economía y Competitividad(project MAT2016-80410-P)and to“Universitat Jaume I”-project No.UJIB-2016-38 for financial support.
The effect of chromium addition on the structure and electrical properties of CaCu3Ti4O12 is studied.Compositions based on the formula CaCu3Ti4-xCrxO12-σ(x = 0, 0.025, 0.050 and 0.075 mol%) are prepared by solid-stat...
supported by the National Science Centre, Poland, under the Grant No. 2015/17/D/ST7/04141
The paper reports on the influence of processing on microstructure and electrical properties of multilayer varistors based on zinc oxide doped with Bi2O3,Sb2O3,Co2O3,MnO,Cr2O3,B2O3,and SiO2.0.5–1 wt%of AlF3–CaB4O7 w...
The microstructure and electrical properties of ZnO-Bi2O3-Yb2O3 based varistor ceramics were investigated with various temperature effects from 900°C to 1050°C.From the results,it was observed that the increase of s...
The nonlinear properties and frequency characteristics of ZnO-polypyrrole composites were investigated at 200 Hz-5 MHz frequency interval with different zinc oxide contents. Samples were prepared using hot press metho...
The effect of changes in sintering temperature on electrical properties and microstructure of ZnO?polyaniline?polyethylene composite ceramics,prepared in disk form at the pressure of 60 MPa and at five different tempe...