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|Title:||Mechanical activation synthesis and dielectric properties of 0.48PFN-0.36PFW-0.16PZN from mixed oxides|
|Citation:||Khim, A.S., Wang, J., Junmin, X. (2000-10-26). Mechanical activation synthesis and dielectric properties of 0.48PFN-0.36PFW-0.16PZN from mixed oxides. Journal of Alloys and Compounds 311 (2) : 181-187. ScholarBank@NUS Repository. https://doi.org/10.1016/S0925-8388(00)01117-8|
|Abstract:||Nanocrystalline 0.48PFN-0.36PFW-0.16PZN phase of perovskite structure was successfully prepared via mechanical activation of mixed oxides of PbO, Fe2O3, WO3, Nb2O5 and ZnO for more than 15 h at room temperature. The powder derived from 20 h of mechanical activation exhibits a particle size in the range of 10-20 nm. It undergoes decomposition upon heat treatment to pyrochlore phase before a single perovskite phase was developed at the sintering temperature of 820 °C for 45 min. The sintered ceramic exhibits a density of approximately 98% theoretical density and a maximum dielectric permittivity of approximately 9357 at the Curie temperature of approximately 27 °C measured at a frequency of 100 Hz.|
|Source Title:||Journal of Alloys and Compounds|
|Appears in Collections:||Staff Publications|
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