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首页> 外文期刊>Nanotechnology >Chemical synthesis of nanocrystalline BaTiO_3 and Ba_(1-x)Sr_xTi_(1-y)Zr_yO_3 [(i) x = 0.03, y = 0 (ii) x = 0, y=0.03] ceramics
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Chemical synthesis of nanocrystalline BaTiO_3 and Ba_(1-x)Sr_xTi_(1-y)Zr_yO_3 [(i) x = 0.03, y = 0 (ii) x = 0, y=0.03] ceramics

机译：纳米晶BaTiO_3和Ba_（1-x）Sr_xTi_（1-y）Zr_yO_3的化学合成[（i）x = 0.03，y = 0（ii）x = 0，y = 0.03]陶瓷

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摘要

Nanocrystalline BaTiO_3 powders were prepared via a chemical process. This process involved the addition of aqueous barium nitrate, titanyl nitrate. triethanolamine (TEA) and sucrose to produce a homogeneous complex solution. After the complete evaporation of homogenous solution, the Ba-Ti-TEA-sucrose complex decomposed and produced black, fluffy precursor materials. The precursor materials on calcinations to 700 deg C for 2 h produced nanocrystalline BaTiO_3 with the corresponding average x-ray and TEM particle size approx 20 nm. BaTiO_3 powders modified with SrTiO_3 [Ba_(1-x)Sr_xTi_(1-y)Zr_yO_3 (x = 0.03, y = 0)] and BaZrO_3 [Ba_(1-x)Sr_xTi_(1-y)Zr_yO_3 (x = 0, y = 0.03)] were also prepared using this mute and investigated through x-ray diffraction and energy dispersive x-ray analysis.
机译：通过化学方法制备了纳米晶BaTiO_3粉末。该过程涉及添加硝酸钡水溶液，硝酸氧钛。三乙醇胺（TEA）和蔗糖产生均匀的复合溶液。均匀溶液完全蒸发后，Ba-Ti-TEA-蔗糖复合物分解并生成黑色，蓬松的前体材料。将前体材料在700摄氏度下煅烧2小时，生成纳米晶BaTiO_3，其相应的平均X射线和TEM粒度约为20 nm。用SrTiO_3 [Ba_（1-x）Sr_xTi_（1-y）Zr_yO_3（x = 0.03，y = 0）]和BaZrO_3 [Ba_（1-x）Sr_xTi_（1-y）Zr_yO_3（x = 0， y = 0.03）]也使用该静音器制备，并通过X射线衍射和能量色散X射线分析进行了研究。

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