Effect of Sm substitution on microwave dielectric properties of Nd(Mg0.5Sn0.5)O3 ceramics |
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| Authors: | Yung-Yu Chen Yih-Chien Chen Hua-Xian Liu Zhi-Hong Lee |
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| Affiliation: | 1. Department of Electronic Engineering, Lunghwa University of Science and Technology, Gueishan Shiang, Taoyuan County, Taiwan
2. Department of Electrical Engineering, Lunghwa University of Science and Technology, Gueishan Shiang, Taoyuan County, Taiwan
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| Abstract: | The microwave dielectric properties of Nd(1?x)Smx(Mg0.5Sn0.5)O3 ceramics were examined with a view to their exploitation in mobile communication. The Nd(1?x)Smx(Mg0.5Sn0.5)O3 ceramics were prepared by the conventional solid-state method with various sintering temperatures. The X-ray diffraction patterns of the Nd0.98Sm0.02(Mg0.5Sn0.5)O3 ceramics revealed no significant variation of phase with sintering temperatures. A density of 6.87 g/cm3, a dielectric constant (ε r ) of 19.2, a quality factor (Q × f) of 104,300 GHz, and a temperature coefficient of resonant frequency (τ f ) of ?57 ppm/°C were obtained for Nd0.98Sm0.02(Mg0.5Sn0.5)O3 ceramics that were sintered at 1,550 °C for 4 h. |
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