Results 171 to 180 of about 10,701 (258)
Observation of an electrical breakdown at ZnO Schottky contacts in varistors
Journal of the European Ceramic Society, 2021 We report an electrical breakdown (EBD) at metal/ZnO junctions in varistors with Ag-Pd and Pd electrodes. It was found that these junctions show Schottky behaviour with a mean Schottky barrier height (SBH) of 0.70 ± 0.07 eV for Bi-based varistors with Ag-
Benjamin Kaufmann, Peter Supancic
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Two stage sintering behaviour of Er2O3 doped high performance ZnO varistors
Journal of the European Ceramic Society, 2021High performance Er2O3 doped ZnO-V2O5 based varistors were prepared by two stage sintering (TSS) method at T1 = 1050 °C for 1/6 hand T2 = 750 and 800 °C for 2.5, 10, 20 and 40 h duration.
Samarpita Roy +2 more
exaly +2 more sources
Effect of NiO doping on grain growth and electrical properties of ZnO-based varistors
Journal of the European Ceramic Society, 2022Xin Ren
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Wide Frequency Response of Varistors and Coordination With Transient Voltage Suppression Diodes
IEEE Transactions on Power Delivery, 2023The voltage-current characteristic of metal-oxide varistors is experimentally investigated for a wide frequency range. Concave exponential and rectangular impulse currents that resemble lightning current field records are employed to investigate their ...
E. Staikos +2 more
semanticscholar +1 more source
IEEE transactions on applied superconductivity, 2022
Superconducting magnet protection must address two main areas of the magnet and circuit performance, namely conductor hot-spot temperatures and circuit voltages.
T. Galvin +9 more
semanticscholar +1 more source
Superconducting magnet protection must address two main areas of the magnet and circuit performance, namely conductor hot-spot temperatures and circuit voltages.
T. Galvin +9 more
semanticscholar +1 more source
Journal of Alloys and Compounds, 2021
In this paper, the effect of the raw particle size and the annealing process on the compositions, microstructure, mechanical, thermal, and electrical properties of ZnO varistors was investigated using X-ray diffraction, infrared, X-ray photoelectron ...
Peng-zhao Gao, Huihui Chen
exaly +2 more sources
In this paper, the effect of the raw particle size and the annealing process on the compositions, microstructure, mechanical, thermal, and electrical properties of ZnO varistors was investigated using X-ray diffraction, infrared, X-ray photoelectron ...
Peng-zhao Gao, Huihui Chen
exaly +2 more sources
Journal of Materials Chemistry C, 2022
The present study reports about effects of the addition of Sr(Co,Nb,Ta)O3 and transition metal cations (Co, Mn) on the microstructures, varistor properties and point defect structures of ZnO varistors.
H. Hsiang, Huei-Ru Tsai, C. Pithan
semanticscholar +1 more source
The present study reports about effects of the addition of Sr(Co,Nb,Ta)O3 and transition metal cations (Co, Mn) on the microstructures, varistor properties and point defect structures of ZnO varistors.
H. Hsiang, Huei-Ru Tsai, C. Pithan
semanticscholar +1 more source
Ceramics International, 2021
High-performance ZnO-V2O5 based varistors doped with 0.1 mol.% In2O3 have been prepared via conventional sintering method at 850–925 °C. Experimental results show that indium doping helps to improve the nonlinear exponent (α), breakdown field (Eb) of the
T. Roy
semanticscholar +1 more source
High-performance ZnO-V2O5 based varistors doped with 0.1 mol.% In2O3 have been prepared via conventional sintering method at 850–925 °C. Experimental results show that indium doping helps to improve the nonlinear exponent (α), breakdown field (Eb) of the
T. Roy
semanticscholar +1 more source
, 2021
The effects of Sb2O3 content on the microstructures and electrical properties of the ZnO varistors, especially on the degradation behavior under pulse current stress were studied.
Manyu Wang +11 more
semanticscholar +1 more source
The effects of Sb2O3 content on the microstructures and electrical properties of the ZnO varistors, especially on the degradation behavior under pulse current stress were studied.
Manyu Wang +11 more
semanticscholar +1 more source