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|Title:||Synthesizing 0.9PZN-0.1BT by mechanically activating mixed oxides|
|Authors:||Junmin, X. |
|Citation:||Junmin, X., Yunling, T., Dongmei, W., Wang, J. (1999-05-01). Synthesizing 0.9PZN-0.1BT by mechanically activating mixed oxides. Solid State Ionics 120 (1) : 183-188. ScholarBank@NUS Repository. https://doi.org/10.1016/S0167-2738(99)00009-0|
|Abstract:||0.9Pb(Zn1/3Nb2/3)-0.1BaTiO3 (0.9PZN-0.1BT) of perovskite structure has been successfully prepared by mechanically activating mixed oxides of PbO, ZnO, Nb2O5, BaO and TiO2. The novel mechanochemical technique skips the phase-forming calcination step at an intermediate temperature that is always required in both the conventional solid state reaction and chemistry-based precursor routes. Ultrafine 0.9PZN-0.1BT particles of perovskite structure were formed when the constituent oxides were mechanically activated for more than 10 h. The powder was sintered to a density of 96% theoretical density at 1100°C for 1 h. The sintered 0.9PZN-0.1BT exhibits perovskite structure and a peak dielectric constant of 8800 at the Curie temperature of 60°C when measured at a frequency of 100 Hz.|
|Source Title:||Solid State Ionics|
|Appears in Collections:||Staff Publications|
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