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In this study, the electrical behavior of CCTO/SiO2 composites have been analyzed. The ceramic composite was made of CaCu3Ti4O12 coated with SiO2 by sol-gel method. The composites were made of SiO2 concentration and sintered in different temperature. The effect of SiO2 concentration and sintering temperature on the microstructure and non-ohmic behavior of composites were investigated. The breakdown...
We have demonstrated a robust magnetic tunnel junction (MTJ) with a resistance-area product RA=8 Omega-mum2 that simultaneously satisfies the statistical requirements of high tunneling magnetoresistance TMR > 15sigma(Rp), write threshold spread sigma(Vw)/<Vw> <7.1%, breakdown-to-write voltage margin over 0.5 V, read-induced disturbance rate below 10-9, and sufficient write endurance, and...
Polar liquids, especially water, offer the advantages of high permittivity, a high dielectric strength and a fast dielectric recovery. These benefits make them appealing dielectrics for use in high-energy storage systems and as high-power switching media. In certain applications, however, the use of water is limited by its relatively high freezing point of 0degC and low boiling point 100degC. In comparison,...
To move high energy pulsed power systems from the laboratory to practice requires the development of compact lightweight drivers. To reduce the size and weight of high voltage components, an increase in the energy density in dielectrics at high electric stress is required. Water, which has a dielectric constant of epsiv = 80 and high dielectric strength, can be used for both energy storage and for...
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