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Research Article

Effect of Al2O3 Nanoparticles Doping on the Microwave Dielectric Properties of CTLA Ceramics

Dou Z, Wang G, Zhang E, Ning F, Zhu Q, Jiang J and Zhang T*

Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials and School of Material Science and Engineering, Hubei University, Wuhan, China

*Corresponding Author:
Zhang T
Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials and School of Material Science and Engineering
Hubei University, Wuhan 430062, China
Tel: 00862768753912
E-mail: [email protected]

Received date: April 22, 2016; Accepted date: May 18, 2016; Published date: May 28, 2016

Citation: Dou Z, Wang G, Zhang E, Ning F, Zhu Q, et al. (2016) Effect of Al2O3 Nanoparticles Doping on the Microwave Dielectric Properties of CTLA Ceramics. J Material Sci Eng 5:256. doi:10.4172/2169-0022.1000256

Copyright: © 2016 Dou Z, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

CaTiO3-LaAlO3 (CTLA) ceramics with Al2O3 nanoparticles were prepared by conventional two-step solid-state reaction, and the sintering behavior and the microwave dielectric proprieties were investigated. The results show that the doping of Al2O3 nanoparticles can promote the growth of uniform grain, increase the density and Q× f value, while it has no obvious influence on the dielectric constant (~45). CTLA ceramics with 0.05 wt% Al2O3 nanoparticles doping, sintered at 1420°C for 4h exhibited the optimal microwave dielectric properties, and CTLA ceramics with 0.2 wt% Al2O3 nanoparticles doping sintered at 1380°C for 4h exhibited the optimal microwave dielectric properties, respectively. A proper increase of Al2O3 nanoparticles content can reduce the sintering temperature.

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