Results 41 to 50 of about 106 (100)
Microstructure and Varistor Characteristics of ZnO-Pr6O11-CoO-Cr2O3-Dy2O3-Based Varistors [PDF]
Journal of Korean Institute of Electrical and Electronic Materials Engineers, 2003 Chun U Nam, Jong A Park, Myeong Jun Kim
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Journal of the Society of Materials Engineering for Resources of Japan, 2013 openaire +2 more sources
Síntesis de nanopartículas de SnO2 y su uso en la conformación de varistores
Revista Facultad de Ingeniería Universidad de Antioquia, 2007 Adolfo Alfredo Mosquera Lozano +2 more
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Análisis de la microestructura de varistores de ZnO: interfases funcionales y su respuesta eléctrica
Boletín de la Sociedad Española de Cerámica y Vidrio, 2009 Iglesias Vega, Yolanda
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Varistor piezotronics: Mechanically tuned conductivity in varistors
Journal of Applied Physics, 2015The piezoelectric effect of ZnO has been investigated recently with the goal to modify metal/semiconductor Schottky-barriers and p-n-junctions by application of mechanical stress. This research area called “piezotronics” is so far focused on nano structured ZnO wires.
Raschid Baraki +5 more
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Degradation phenomena of ZnO varistors
Physica Status Solidi (a), 1981The dc degradation behaviour of ZnO varistors as a function of the variables current, temperature, and time is investigated. The degradation rate is phenomenologically presented by an equation reflecting the observed aging behaviour in dependence on the influencing variables.
W. Moldenhauer +4 more
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Microchemistry of ZnO Varistors
Proceedings, annual meeting, Electron Microscopy Society of America, 1992ZnO varistors are made by mixing semiconducting ZnO powder with powders of other metal oxides e.g. Bi2O3, Sb2O3, CoO, MnO2, NiO, Cr2O3, SiO2 etc., followed by conventional pressing and sintering. The non-linear I-V characteristics of ZnO varistors result from the unique properties that the grain boundaries acquire as a result of dopant distribution ...
K. K. Soni +4 more
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Journal of the American Ceramic Society, 1999
The development of varistor ceramics is reviewed with an emphasis on ZnO‐based varistors formed by liquid‐phase sintering. Particular attention is given to the effects of microstructural disorder on the properties of varistors and to the different modes of failure that can occur.
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The development of varistor ceramics is reviewed with an emphasis on ZnO‐based varistors formed by liquid‐phase sintering. Particular attention is given to the effects of microstructural disorder on the properties of varistors and to the different modes of failure that can occur.
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Journal of the American Ceramic Society, 1987
The varistor properties were examined in porous ZnO. The sample used contained no dopants such as Bi 2 O 3 or Pr 6 O 11 , which are usually considered to be useful in ...
Satoru Fujitsu +2 more
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The varistor properties were examined in porous ZnO. The sample used contained no dopants such as Bi 2 O 3 or Pr 6 O 11 , which are usually considered to be useful in ...
Satoru Fujitsu +2 more
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Journal of Applied Physics, 1988
A composite varistor material containing silicon carbide, a conductor, and an insulator has been developed. The material has rubberlike flexibility and is easily formed. A higher leakage resistivity (∼1012 Ω cm) and greater nonlinearity (∼10) than for silicon carbide varistors permit the material to be used as a gapless surge suppressor.
F. A. Modine, H. M. Hyatt
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A composite varistor material containing silicon carbide, a conductor, and an insulator has been developed. The material has rubberlike flexibility and is easily formed. A higher leakage resistivity (∼1012 Ω cm) and greater nonlinearity (∼10) than for silicon carbide varistors permit the material to be used as a gapless surge suppressor.
F. A. Modine, H. M. Hyatt
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