Influence of Ca0.8Sr0.2TiO3 on the microstructures and microwave dielectric properties of Nd(Mg0.4Zn0.1Sn0.5)O3 ceramics |
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| Authors: | Yih-Chien Chen and Shi-Li Yao |
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| Affiliation: | (1) Department of Electrical Engineering, Lunghwa University of Science and Technology, Gueishan Shiang, Taoyuan County, Taiwan |
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| Abstract: | The influence of Ca0.8Sr0.2TiO3 on the microstructures and microwave dielectric properties of Nd(Mg0.4Zn0.1Sn0.5)O3 ceramics were investigated by the conventional solid-state method. The X-ray diffraction peaks of (1 − x)Nd(Mg0.4Zn0.1Sn0.5)O3–xCa0.8Sr0.2TiO3 ceramic system shifted to higher angles as x increased. The dielectric constant increased from 31.8 to 47.7, the quality factor (Q × f) decreased from 54,200 to 42,800 GHz, and the temperature coefficient of resonant frequency (τ
f
) increased from −43 to +41 ppm/°C as x increased from 0.5 to 0.7 when (1 − x)Nd(Mg0.4Zn0.1Sn0.5)O3–xCa0.8Sr0.2TiO3 ceramic system sintered at 1,600 °C for 4 h. |
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