Results 151 to 160 of about 968 (215)

Advanced Microwave Processing for Next-Generation Materials. [PDF]

ACS Appl Mater Interfaces
Ravi P, Nozariasbmarz A.
europepmc   +1 more source

Facile green synthesis of silver doped NiO nanoparticles using aloe vera latex for efficient energy storage and photocatalytic applications. [PDF]

Heliyon
Alfadhli S, Khasim S, Darwish AAA, Al-Nahdi K, Abdelkader M, Gamal R, Hamdalla TA.   +6 more
europepmc   +1 more source

High-performance varistors simply by hot-dipping zinc oxide thin films in Pr₆O₁₁: Influence of temperature. [PDF]

Sci Rep, 2017
Wang Y, Peng Z, Wang Q, Wang C, Fu X.
europepmc   +1 more source

Tunable Electrical Properties of Cobalt-Doped Maghemite Nanoparticles for Advanced Resistive and Thermistor Applications. [PDF]

Nanomaterials (Basel)
Hjiri M, Soltani S, Jbeli A, Mustapha N, Ahmed Althumairi N, Benamara M, Valente MA.   +6 more
europepmc   +1 more source

Theory Of ZnO Varistors

MRS Proceedings, 1981
The theory of ZnO varistors has evolved along with the increasingly detailed experimental description [1-2]. The extreme nonlinearity in the currentvoltage curves naturally led the early investigators to suggest the well-known nonlinear mechanisms, such as space-charge limited currents or electron tunneling. Later experiments made these first proposals
G.D. Mahan
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Metastable Barrier Voltage in ZnO Varistors

MRS Proceedings, 1981
ABSTRACTA reversible change in barrier voltage is observed in assintered ZnO varistors upon application and removal of the applied voltage. This is attributed to a metastable component in the grain boundary Schottky barriers. Varistors show improved stability when the metastable component is removed or fixed by heat treatment.
Tapan K. Gupta, William G. Carlson, Barbara O. Hall   +2 more
openaire   +2 more sources

An Experimental Study of the Failure Mode of ZnO Varistors Under Multiple Lightning Strokes

Electronics (Switzerland), 2019
In this study, in order to explore the failure mode of ZnO varistors under multiple lightning strokes, a five-pulse 8/20 μs nominal lightning current with pulse intervals of 50 ms was applied to ZnO varistors.
Chunlong Zhang, Hongyan Xing, Pengfei Li   +2 more
exaly   +2 more sources

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Degradation phenomena of ZnO varistors

Physica Status Solidi (a), 1981
The 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, K. -H. Bäther, W. Brückner, D. Hinz, D. Bühling   +4 more
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Microchemistry of ZnO Varistors

Proceedings, annual meeting, Electron Microscopy Society of America, 1992
ZnO 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, J. Hwang, V. P. Dravid, T. O. Mason, R. Levi-Setti   +4 more
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Origin of ZnO Varistor

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, Hiroshi Toyoda, Hiroaki Yanagida   +2 more
openaire   +1 more source