Two‐Step Sintering of Pristine and Aluminum‐Doped Zinc Oxide Ceramics | Zendy

Zhang Yulong | Zendy; Tan Ruiqin | Zendy; Yang Ye | Zendy; Zhang Xianpeng | Zendy; Wang Weiyan | Zendy; Cui Ping | Zendy; Song Weijie | Zendy

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Two‐Step Sintering of Pristine and Aluminum‐Doped Zinc Oxide Ceramics

Author(s) -

Zhang Yulong,

Tan Ruiqin,

Yang Ye,

Zhang Xianpeng,

Wang Weiyan,

Cui Ping,

Song Weijie

Publication year - 2012

Publication title -

international journal of applied ceramic technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.4

H-Index - 57

eISSN - 1744-7402

pISSN - 1546-542X

DOI - 10.1111/j.1744-7402.2011.02702.x

Subject(s) - materials science , sintering , ceramic , doping , grain size , grain growth , nanoparticle , zinc , two step , chemical engineering , aluminium , metallurgy , nanotechnology , optoelectronics , chemistry , engineering , combinatorial chemistry

ZnO and Al ‐doped ZnO ceramics with high density and fine grain size were prepared using a two‐step sintering method. ZnO ceramics with a grain size of 1.2 μm and a density greater than 99% were obtained. The kinetic window for a ZnO nanoparticle TSS process was determined in this study. Dense AZO ceramics with homogeneous Al distribution were obtained using a high sintering temperature ( T st ) of 1323 K and a low sintering temperature ( T nd ) of 1273 K. The activation energies for ZnO and AZO nanoparticle grain growth were determined to be 169 ± 18 kJ/mol and 374 ± 36 kJ/mol, respectively.

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