Abstract
Abstract In this communication, we present the results on YFeO 3 and YFe 0.8 Mn 0.2 O 3 ceramics processed by the sol–gel route in order to study crystalline structure, dielectric properties. X-ray diffraction shows that this compound possesses an orthorhombic structure with Pbnm space group. Meanwhile, the dielectric properties of the samples were evaluated over broad temperature and frequency ranges. Two and three dielectric relaxations were distinguished by the combination of impedance and modulus analysis for the YFeO 3 and YFe 0.8 Mn 0.2 O 3 ceramics, which could be associated with the migration of oxygen vacancies and the carrier hopping process between Fe 2+ and Fe 3+ .
Published Version
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