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Jiang N.,Sichuan Province Key Laboratory of Chemical Synthesis and Pollution Control | Jiang N.,China West Normal University | Liao Y.,Sichuan Province Key Laboratory of Chemical Synthesis and Pollution Control | Liao Y.,China West Normal University | And 4 more authors.
Yadian Yu Shengguang/Piezoelectrics and Acoustooptics | Year: 2013

Bi0.5(Na0.7K0.2 Li0.1)TiO3(BNKLT) lead-free piezoelectric thin films were prepared with ethanol as the solvent, inorganic oxides and carbonates as starting materials by using the ethanol-based Sol-Gel method. The influences of process parameters on the thin films were analyzed by the IR, TG-DSC, XRD, SEM. The results show that the ethanol-based sol with good stability can be obtained when the proportion (N) of acetylacetone to Ti(OC4H9)4 is equal to or greater than 1.0, the reaction temperature is 40~60°C, and pH is 2.0~2.5. After being annealed at 600°C for 30 min, BNKLT thin films are dense and exhibit pure perovskite structure, smooth surface and uniform thickness. Source

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