以不同比例无水及八水合氢氧化钡混合物为钡源,并以钛酸四异丙酯为钛源,采用改进的氢氧化物-醇盐法常压下回流10 h可得到的颗粒尺寸分布窄,平均粒径约13 nm的钛酸钡粉体.借助XRD及TEM对粉体物性进行了表征.实验结果表明,该法制得的钛酸钡粉体为亚稳态立方晶相晶体,晶粒尺寸随钡源中无水氢氧化钡含量的增加或反应温度的降低而减小;降低钡源中无水氢氧化钡的含量及提高反应温度均有利于加快钛酸钡粉体的生成速率.
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