The component of Bi3.6La0.4Ti3O12 was prepared by hybrid process (sol-gel hydrothermal) at low temperature 400 °C. Bismuth acetate, lanthanum acetate and titanium isopropoxide were used as metallic source. By X-ray diffraction, the Bi3.6La0.4Ti3O12 ceramic has single Bi4Ti3O12 phase of Aurivillius type. The assignment of the infrared transmittance bands, especially in the region 400– 1000 cm-2. Dielectric properties of the obtained material at different frequencies 100 Hz, 1 kHz and 10 kHz as a function of temperature were investigated.
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