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

Journal of Inorganic Materials

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

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

Received:2004-04-12 Revised:2004-05-26 Published:2005-05-20 Online:2005-05-20

Abstract

Abstract: (Ag_1-xNax)(Nb_1-xTa_x)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.

Key words: citrate method, （Ag_1-xNa_x）（Nb_1-xTa_x nanomaterials

CLC Number:

TB383

LI Ling-Xia,Guo Wei,WU Xia-Wan,WANG Hong-Ru,ZHANG Zhi-Ping. Reaction Mechanism and Microanalysis of ANNT System Precursor Prepared by Wet-chemical Method[J]. Journal of Inorganic Materials.

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

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