Lead-nano-dopings effects on the structural, microstructural, vibrational and thermal properties of Bi_2−xPb_xSrV₂O₉ layered perovskite

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• 作者：Khaled M. Elsabawy ; Morsy M. Abou Sekkina ; Mohamed A. Asker ; Mohamed H. El-Newehy
• 关键词：Lead doping ; Microstructure ; Perovskite ; Ceramics ; X-ray ; SEM ; TGA& ; DTA IR
• 刊名：Solid State Sciences
• 出版年：2010
• 出版时间：July 2010
• 年：2010
• 卷：12
• 期：7
• 页码：1094-1097
• 全文大小：547 K

文摘

The sample with in the general formula Bi_2-xPb_xSrV₂O₉, where x = 0.0, 0.05, 0.1, 0.2, 0.3, and 0.6 mol were synthesized by the high temperature solid state reaction and firing method. The X-ray diffractograms confirmed the formation of single phased layered perovskite in all samples. TGA and DTA thermal analyses on the green samples included steps of thermal analysis of strontium carbonate, bismuth carbonate, ammonium vanadate, lead oxide and finally on the high temperature solid state formation. The effect of lead dopings on the sintering, structural and micro-structure, properties of 212BiSrV-ceramics were investigated. The infrared absorption spectra show a series of vibrational modes within the range of 400–1600 cm⁻¹.