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Vol. 25 No. 3 (2013): Vol 25 Issue 3

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Influence of Hydrothermal Synthesis Condition on Structure and Microwave Properties of Srn+1TinO3n+1 Ceramics

https://doi.org/10.14233/ajchem.2013.13354
Huang Zhou
College of Materials Science and Engineering, China Jiliang University, Hangzhou 310018, P.R. China
Jiangying Wang
College of Materials Science and Engineering, China Jiliang University, Hangzhou 310018, P.R. China
Jintao Liu
College of Materials Science and Engineering, China Jiliang University, Hangzhou 310018, P.R. China
Shengyong Jin
College of Materials Science and Engineering, China Jiliang University, Hangzhou 310018, P.R. China ;State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P.R. China
Jingji Zhang
College of Materials Science and Engineering, China Jiliang University, Hangzhou 310018, P.R. China

Corresponding Author(s) : Jiangying Wang

wjyliu@163.com

Asian Journal of Chemistry, Vol. 25 No. 3 (2013): Vol 25 Issue 3

Abstract

Srn+1TinO3n+1 (n = 1, 2) ceramics were prepared by using hydrothermal synthesis derived powders and the influence of hydrothermal synthesis condition on microwave properties were investigated. The hydrothermally synthesized powders mainly form SrTiO3 and Sr(OH)2·mH2O. Grain size of the SrTiO3 decreases with increasing the concentration of KOH and reaction temperature, which lend itself to the formation of Srn+1TinO3n+1 during sintering. Srn+1TinO3n+1 ceramics prepared by using high concentration of KOH have lower permittivity and higher Q value, due to the formation of pure phase Srn+1TinO3n+1 and low porosity of ceramics.

Keywords

Crystal structure Hydrothermal crystal growth Titanium compounds Dielectric materials
Zhou, H., Wang, J., Liu, J., Jin, S., & Zhang, J. (2012). Influence of Hydrothermal Synthesis Condition on Structure and Microwave Properties of Srn+1TinO3n+1 Ceramics. Asian Journal of Chemistry, 25(3), 1593–1596. https://doi.org/10.14233/ajchem.2013.13354
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