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溶胶-凝胶法制备Tb_3Sc_2Al_3O_(12)纳米粉体的研究

Study on Preparation of Tb_3Sc_2Al_3O_(12) Nano-powders by Sol-gel Method
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摘要 以柠檬酸为螯合剂,采用溶胶-凝胶法制备TSAG纳米粉体。通过XRD、FTIR和SEM测试手段对不同pH值和不同煅烧温度下合成的粉体进行了表征。结果表明:当温度为1000℃、pH值为3.3~3.6时,可以合成纯度较高的TSAG相,分布均匀,平均粒子尺寸为23.25nm;且随着烧结温度的升高,其粒径不断增大。 TSAG powders were prepared by sol-gel method successfully with citric acid as chelating agent. Powders synthesized at different pH and different calcining temperature were characterized by X-ray diffraction(XRD),scanning electron microscope(SEM) and Fourier transform infrared(FTIR). It was shown that TSAG phase that had high purity could be obtained well and the particles were well-distributed. Its average particle size was 23.25 nm when pH ranged from 3.3 to 3.6 and calcining temperature was at 1000℃. As the calcining temperature increases,the particle size also increases.
作者 吴以恒 刘亚津 张丽萍 李春 刘洪伟 WU Yiheng LIU Yajin ZHANG Liping LI Chun LIU Hongwei(School of Materials Science and Engineering , Changchun University of Science and Technology, Changchun130022)
出处 《长春理工大学学报(自然科学版)》 2017年第3期108-111,共4页 Journal of Changchun University of Science and Technology(Natural Science Edition)
基金 国防科工局项目(221887) 吉林省科技厅项目(20160414043GH)
关键词 铽钪铝石榴石 溶胶-凝胶法 烧结温度 pH值 TSAG sol-gel method calcining temperature pH value
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