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The objective of this study is to determine the influence of partial substitutions of Zr by Hf in the perovskite-type crystalline structure of PbZrO3. Different samples over the whole composition range (0 les x les 1) in the PbZrxHf1-xO3 family have been prepared. Phase transitions have been determined by thermal analysis (DSC) and complex impedance (IS) spectroscopy over a wide temperature range...
PZT fibers have many important using in sensors, actuators and transducers. PZT fibers have been successfully fabricated by much technology, such as Sol-Gel method, extrusion method and so on, but for the micro-reactor method very little study work has been done. Porous, structurally-ordered active carbon was used in this work. Due to a high rate of pore with microns diameter, millimeters length,...
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