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|dc.description.abstract||PZT/xWO3 powders were prepared from the powders synthesized by a modified triol sol-gel method. XRD and TEM results suggested that fully crystallized powders were obtained at the calcination temperature of 600°C for 4 h. A reaction between PZT and WO3 powders seemed more pronounced with increasing WO3 content. To prepare PZT/xWO3 ceramics, the powders were pressed and sintered at 1100°C for 6 h. Phase characterization by XRD indicated that the concentration of WO3 affected lattice parameters and reduced c/a ratios, especially for high content of WO3. SEM images showed that an addition of only 0.5 wt% WO3 significantly decreased grain size of the ceramics. Density of the ceramics, however, did not significantly depend on WO3 concentration below 1 wt%. Addition of suitable amount of WO3 enhanced ferroelectric properties and reduced high-temperature dielectric loss of PZT ceramic. Copyright © Taylor & Francis Group, LLC.||en_US|
|dc.subject||Physics and Astronomy||en_US|
|dc.title||Electrical properties of sol-gel derived PZT/WO<inf>3</inf>ceramics||en_US|
|article.stream.affiliations||Chiang Mai University||en_US|
|Appears in Collections:||CMUL: Journal Articles|
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