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Microwave dielectric properties of Mg(Zr0.05Ti0.95)O3-SrTiO3 ceramics

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Abstract

The microwave dielectric properties of (1−x)Mg(Zr0.05Ti0.95)O3-xSrTiO3 ceramics prepared by conventional solid processing were investigated. With increasing x, the dielectric constant and the quality factor decreased, and the temperature coefficient of resonant frequency was tuned from negative to positive value. The effect of sintering temperature on microwave properties was also studied. After sintering at 1,390 °C for 4 h, the ceramics exhibited a near zero temperature coefficient of resonant frequency about 2.1 ppm/°C, an optimum dielectric constant of 20.9 and a high quality factor of 203000 (6.8 GHz), at the level of x = 0.05.

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Acknowledgments

This work was supported by the Ph. D. fund (No. 09zx7104) of Southwest University of Science and Technology.

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Authors and Affiliations

  1. State Key Laboratory Cultivation Base for Nonmetal Composites and Functional Materials, Southwest University of Science and Technology, Mianyang, 621010, People’s Republic of China

    Hongtao Yu, Jilin Cheng, Wenbo Zhang, Jingsong Liu & Guangliang Xu

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  1. Hongtao Yu
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  2. Jilin Cheng
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  3. Wenbo Zhang
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  5. Guangliang Xu
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Correspondence to Hongtao Yu.

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Yu, H., Cheng, J., Zhang, W. et al. Microwave dielectric properties of Mg(Zr0.05Ti0.95)O3-SrTiO3 ceramics. J Mater Sci: Mater Electron 23, 572–575 (2012). https://doi.org/10.1007/s10854-011-0442-6

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  • DOI: https://doi.org/10.1007/s10854-011-0442-6

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