Layered perovskite-like oxide Bi3Ti1.5W0.5O9 has been synthesized by the method of high-temperature solid-state reaction. The X-ray diffraction study showed that the compound is single-phase and has the structure of the family of Aurivillius phases (AP) with parameters close to the orthorhombic unit cell corresponding to the space group A21am. The temperature dependences of the relative permittivity ε/ε0 and the loss tangent tgsigma are measured at different frequencies. For the synthesized compound, the piezoelectric modulus d33 was measured. The microstructure of Bi3Ti1.5W0.5O9 has been obtained. Keywords: Aurivillius phases, Bi3Ti1.5W0.5O9, activation energy Ea, Curie temperature TC, piezoelectric modulus d33.
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