Conductivity analysis of (1-x)Sr0.7Bi0.2TiO3-xLa(Mg0.5Zr0.5)O3 ceramic materials
DOI:
https://doi.org/10.20372/star.V15.i1.09Keywords:
Conductivity property, Structure, SrCO3, Bi2O3, MgO, Ta2O5Abstract
The method of a solid-state mixed oxide reaction was employed to manufacture a strontium bismuth titanate-lanthanium magnesium zirconate ((1-x) SBT- xLMZ) ceramic by a composition of x = 0.12 in order to study its structure and conductivity properties. To create the composite, SrCO₃, Bi₂O₃, MgO, Ta₂O₅, ZrO₂, and TiO₂ were utilized. The ((1-x) SBT-xLMZ) (x = 0.12) exhibits a rhombohedral crystal structure, according to the XRD pattern. An XRD was used to measure the X-ray diffraction. The morphological inspection is evaluated using an SEM. An impedance analyzer was used for conductivity measurements. The conductivity at low temperatures is dominated by the mobility of doping-induced extrinsic defects when doping fixes the carrier concentration. Conductivity at high temperatures is caused by thermally produced (intrinsic) defects, whose carrier concentration varies with temperature.
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