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湿化学法ANNT纳米前驱体的反应机理与微观分析

Reaction Mechanism and Microanalysis of ANNT System Precursor Prepared by Wet-chemical Method

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【Author】 LI Ling-Xia, Guo Wei, WU Xia-Wan, WANG Hong-Ru, ZHANG Zhi-Ping (Institute of Electronic Information and Engineering, Tianjin University, Tianjin 300072, China)

【机构】天津大学电子信息工程学院；天津大学电子信息工程学院天津 300072；天津 300072；天津 300072；

【摘要】利用柠檬酸盐法制备了(Ag1-xNax)(Nb1-xTax)O3(简称ANNT)纳米粉体材料,通过TEM分析可观察到其颗粒度<50nm,且团聚较小.论文对柠檬酸盐法的反应机理进行了深入地探讨,分析了不同烧结温度下的显微结构变化,证实ANNT系统可在1040-1060℃范围内致密化.XRD分析结果表明系统中所生成的主晶相为ANNT.更多还原

【Abstract】 (Ag1-xNax)(Nb1-xTax)O3 nano-powders were produced by the citrate method. It was observed by TEM that the average grain sizes were less than 50nm and their conglobations were small. The reaction mechanism of citrate was also discussed. The changes of microstructure under different sintering temperatures were analyzed. It was verified that.ANNT system was densified in 1040-1060℃. The result of XRD showed that the main grain phase formed was ANNT.更多还原

【关键词】柠檬酸盐法； (Ag1-xNax)(Nb1-xTax)O3；纳米粉体；
【Key words】 citrate method； (Ag1-xNax)(Nb1-xTax)O3； nanomaterials；

【基金】国家自然科学基金(50172035,50472064)

【文献出处】无机材料学报 ,Journal of Inorganic Materials , 编辑部邮箱 ,2005年03期

【分类号】TB383
【被引频次】4
【下载频次】70

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