The preparation of high-density Aluminum-doped zinc oxide ceramics by Cold sintering process

X. Y. Hong, X. P. Jiang, G. S. Zhu, H. R. Xu, X. Y. Zhang, Y. Y. Zhao, D. L. Yan, J. W. Xu, S. C. Huang, A. B. Yu

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High-density Aluminum-doped zinc oxide (AZO) ceramic was prepared via the densification process by ultralow-temperature Two-step Cold sintering processes (TS-CSP). Density, microstructure and electrical properties of the preparation AZO ceramics were investigated. The results show that Al-doping concentration has an important influence on the densification of AZO ceramics. When the doping amount of Al2O3 was 2.0 wt%, and an acetic acid solution was used as a co-solvent, a high-performance AZO ceramic was obtained. AZO ceramics has a uniform phase and containing no other impurities, with a relative density of up to 99.23%and a resistivity as low as 5.58 × 10−3 Ω cm. The AZO ceramic prepared by this method has a significant application prospect.

Original languageEnglish
Article number153241
Number of pages7
JournalJournal of Alloys and Compounds
Publication statusPublished - 15 Aug 2020


  • Aluminum-doped zinc oxide
  • Densification process
  • Resistivity
  • Two-step cold sintering

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