Abstract
In this work, Ba1-xSrxTiO3 (x = 0 and x = 0.3) samples, abbreviated respectively BT and BST, have been prepared by conventional solid state reaction. The pure phase formation and crystal structure were approved by X-ray powder diffraction analysis. The morphology of these samples were inspected by the transmission electron microscopy. The structural and morphological findings were confirmed by Raman measurements. The effect of the substitution of barium by strontium on the dielectric properties and on the energy storage of these compounds which has been discussed. In this issue, the results indicate the improvement of the dielectric properties of BT-based ceramics by substitution of Ba by Sr due to the decrease in dielectric losses and especially to the appearance of a relaxor behavior for the BST compound in the vicinity of room temperature. However, the P–E loops have proven a degradation of energy storage properties by Sr-substitution in BT ceramics.
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