Structural and morphological studies, and temperature/frequency dependence of electrical conductivity of Ba<sub>0.97</sub>La<sub>0.02</sub>Ti<sub>1−x</sub>Nb<sub>4x/5</sub>O<sub>3</sub> perovskite ceramics
Marwa Jebli5019 MonastirCh. Rayssi5019 MonastirJ. Dhahri5019 MonastirM. Ben HendaCollege of Sciences at ZulfiHafedh BelmabroukCollege of Sciences at ZulfiAbdullah BajahzarDepartment of Computer Science and Information College of Science at Zulfi Majmaah University
2021en
ABI
Annotatsiya
. The frequency dependence of the conductivity plot has been found to obey the universal Jonscher power law. Both AC and DC electrical conductivities are thoroughly studied as a function of frequency as well as temperature. The AC conductivity reveals that correlated barrier hopping (CBH) and non-overlapping small polaron tunneling (NSPT) models are suitable theoretical models to elucidate the conduction mechanisms existing in our compounds. Significantly, by increasing the temperature, the DC conductivity was increased, which verifies the semiconducting nature of the materials.
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