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Effects of CaO additives on the structure and properties of Ba6−3xSm8+2xTi18O54 (x = 0.5) ceramics

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Abstract

The tungstenbronze-type-like Single-phase polycrystalline ceramics Ba6−3xSm8+2xTi18O54 (x = 0.5) doping with Ca ions had been prepared through the conventional solid-state reaction process. The phases and structure of the ceramics were analyzed through X-ray diffraction and scanning electron microscopy. The microwave dielectric properties of the ceramics were studied using a network analyzer. In this paper, the quality factor (Q × f) by substituting Ca ions for Ba ions in (Ba1−αCaα) Sm2Ti4O12 solid solutions in A1-sites was reported. In addition, the relationship between crystal structure and microwave dielectric properties was discussed from the viewpoint of structural formula and occupational state of large cations such as Ba, Ca ions in A1-sites.

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Acknowledgements

The project was supported by the National Natural Science Foundation of China (No. 51402251).

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Authors and Affiliations

  1. School of Materials Engineering, Yancheng Institute of Technology, 9 Yingbin Street, Yancheng, 224051, People’s Republic of China

    Xu Wang, Juhua Luo & Hao Guan

  2. College of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, 29 Yudao Street, Nanjing, 210016, People’s Republic of China

    Xu Wang & Yue Xu

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  1. Xu Wang
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  2. Juhua Luo
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  4. Yue Xu
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Correspondence to Xu Wang.

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Wang, X., Luo, J., Guan, H. et al. Effects of CaO additives on the structure and properties of Ba6−3xSm8+2xTi18O54 (x = 0.5) ceramics. J Mater Sci: Mater Electron 28, 10338–10342 (2017). https://doi.org/10.1007/s10854-017-6802-0

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  • DOI: https://doi.org/10.1007/s10854-017-6802-0

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