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通过柠檬酸盐溶胶-凝胶法合成了ZnNb2O6陶瓷粉体,利用XRD、SEM等测试手段研究了合成工艺对粉体粒度的影响.XRD分析结果显示,当柠檬酸比例为1∶2.5,煅烧温度为700 ℃时所合成的物相为单一铌铁矿相,Scherrer公式计算结果显示随着合成温度的升高,粉体晶粒尺寸有明显长大的趋势.SEM分析结果显示,随着溶液pH值的增大,合成的ZnNb2O6粉体晶粒尺寸明显减小.pH=9,700 ℃时合成的ZnNb2O6粉体晶粒尺寸为45 nm.

参考文献

[1] Wakino K;Nishikawa T;Ishikawa Y et al.[J].British Ceramic Transactions,1990,89(02):39.
[2] Whan Choi;Kyung-Yong Kim .[J].Journal of Materials Research,1998,13(10):2945.
[3] Maeda M;Yamamura T;Ikeda T .[J].Japanese Journal of Applied Physics,1987,26(02):76.
[4] Dong-Wan Kim;Kyung Hyun Ko;Kug Sun Hong .Influence of Copper(II) Oxide Additions to Zinc Niobate Microwave Ceramics on Sintering Temperature and Dielectric Properties[J].Journal of the American Ceramic Society,2001(6):1286-1290.
[5] Yingchun Zhang;Zhenxing Yue;Zhilun Gui et al.[J].Ceramics International,2003,29:555.
[6] YING CHUN ZHANG;ZHEN XING YUE;ZHI LUN GUI;LONG TU LI .Microwave Dielectric Properties of CuO-V{sub}2O{sub}5-Bi{sub}2O{sub}3-Doped ZnNb{sub}2O{sub}6 Ceramics with Low Sintering Temperature[J].Journal of electroceramics,2005(1):67-74.
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