Afef Ben HassenLaboratoire de la Matière Condensée et des Nanosciences, Département de Physique, Faculté des Sciences de Monastir Tunisia
Afef Ben Hassen
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An investigation of the dielectric dispersion, electrical properties, scaling behavior and optical defects of Ca0.67La0.22□0.11Ti(1−x)CrxO3−δ (CLT(1−x)Crx) with x = 0 and x = 0.1 compositions is presented. The square in the formula is attributed to a vacancy in A-site. Relaxation phenomena were studied with dielectric and modulus formalism, while,...
The polycrystalline sample BaTi0.5 (Co0.33 Mo0.17) O3 was synthesized by the sol-gel method. The effect of replacing titanium by cobalt and molybdenum on the structural and electrical properties of our compound was investigated. The results of X-ray diffraction (XRD) at room temperature showed a pure tetragonal perovskite. The electrical response w...
New relaxor ferroelectric ceramic perovskites (x = 0.15 and x = 0.2) were prepared by solid state reaction route. X-Ray diffraction study suggested that these compounds crystallize with orthorhombic symmetry with Pnma space group. The microstructure study of sintered pellets revealed that the grains size decrease with the increase in doping concent...
Polycrystalline samples of Ca0.67La0.22Ti(1-x)CrxO3(x = 0 and x = 0.1) (CLT(1-x)Crx) were synthesized by high-temperature solid-state reaction technique. The effect of replacing of titanium by chrome in the B site on the structural and physical properties of our compound was investigated. Using X-ray diffraction, scanning electron microscopy as wel...