Abstract
Structure and dielectric properties of polycrystalline multiferroics of Bi1 – xSmxFeO3 (x = 0–0.2) system are studied. Using X-ray diffraction, two coexisting phases (rhombohedral R3c and orthorhombic Pbam) are found in the nanostructured sample with x = 0.1. Four anomalies characteristic for phase transitions are found near temperatures of ~180, 250, 300°C and TN at ~350°C on temperature dependences of permittivity e'(T). It is shown that when samarium content is increased, the permittivity e' grows and tanδ decreases.
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