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The research on dielectric frequency response of oil-paper composite insulation modified by nanoparticles has been carried out in order to seek possible way to improve insulation properties thereof. Before and after nanoparticles being added, the dielectric frequency responses of oil-paper composite insulation with different moisture contents at different temperatures have been measured within the...
A fast and green approach has been developed for the preparation of nanocrystalline zinc oxide (ZnO) in room-temperature ionic liquid (RTIL) via ultrasonic irradiation. For comparison, ZnO nanoparticles have been prepared under the same experimental condition in triethylene glycol (TEG). The results show that ZnO nanorods can be prepared in RTIL, while spherical nanoparticles are obtained in TEG....
In this work, TiO2 nanoparticles doped with holmium (III) ion have been prepared by an ultrasonic assistant sol-gel method. We present the results of the investigation of holmium (III) ion doping on the structural properties of TiO2 and its effect on the anatase to rutile phase transformation. It is found that the transformation temperature, measured from the XRD experiments, is found to increase...
Titania has attracted considerable attentions for its important role in piezoelectricity application. Additionally, lanthanide ion doped titania behaves increased piezoelectricity performance for some systems. It is critical to assess the local environment of lanthanide ions in titania, which will allow greater control over the desired properties. In this work, TiO2 nanoparticles doped with erbium...
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