Dielectric breakdown characteristics of sol–gel derived SrTiO3 films

Abstract

Dielectric breakdown behavior of sol-gel derived SrTiO 3 films has been studied systematically. The dielectric strength and leakage characteristics of SrTiO 3 films were observed to have a strong dependence on the top electrode materials. Compared with films with Ti or Al electrode, SrTiO 3 films with Au electrode exhibited relatively low dielectric breakdown strength. Simultaneously, a broad area of damage occurred in the Au electrode after breakdown, which is closely related to the self-healing breakdown mechanism. The corresponding leakage current kept the same order of magnitude when the electric field was higher than 100 MV/m. The higher dielectric strength of the films with Ti or Al electrode is attributed to anodic oxidation of metal electrode.

Plasma Generating—Chemical Looping Catalyst Synthesis by Microwave Plasma Shock for Nitrogen Fixation from Air and Hydrogen Production from Water for Agriculture and Energy Technologies in Global Warming Prevention

“…These particles represent all the features seen in individual particles examined. They show the intact particle surface, fractured particle surface, sintering and the effect of microwave induced plasma generation in BaTiO 3 through void formation and electrical treeing (Lichtenberg phenomenon)[81,82] as a result of dielectric breakdown.The effects of microwave irradiation with plasma generation are described in Figures 9-12. Figure9ais the EDS layered image of Particle-1, showing the distribution of the elements of BaTiO 3 .…”