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Influence of cation order on the dielectric properties of (1 – x)Pb(Sc0.5Nb0.5)O3-xPb(Yb0.5Nb0.5)O3 ceramics

Garbarz-Glos Barbara, Bąk Wojciech, Antonova Maija, Kalvane Anna, Kajtoch Czesław, Dulian Piotr

Materials Science Poland

2020

Vol. 38, No. 3

402--406

Ceramic lead niobates and their solid solutions of (1 – x)Pb(Sc0.5Nb0.5)O3-xPb(Yb0.5Nb0.5)O3 were synthesized by solid state reactions from oxides. The structure of investigated samples was characterized by X-ray diffraction (XRD). Dielectric studies of the ceramics were performed by means of broadband dielectric spectroscopy at the temperature ranging from 600 K to 140 K. For all ceramic samples a diffuse phase transition as well as relaxor ferroelectric behavior were observed.