Improved microwave dielectric properties of Nd(Mg0.5Sn0.5)O3 ceramics with Ni2+ substituting |
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| Authors: | Yih-Chien Chen Yung-Yu Chen Shi-Li Yao |
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| Affiliation: | 1. Department of Electrical Engineering, Lunghwa University of Science and Technology, Gueishan Shiang, Taoyuan County, Taiwan
2. Department of Electronic Engineering, Lunghwa University of Science and Technology, Gueishan Shiang, Taoyuan County, Taiwan
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| Abstract: | This study elucidates the microwave dielectric properties and microstructures of Nd(Mg0.5?xNixSn0.5)O3 ceramics with a view to their potential for microwave devices. The Nd(Mg0.5?xNixSn0.5)O3 ceramics were prepared by the conventional solid-state method with various sintering temperatures. The X-ray diffraction patterns of the Nd(Mg0.43Ni0.07Sn0.5)O3 ceramics revealed no significant variation of phase with sintering temperatures. A dielectric constant ( $ \varepsilon_{r} $ ) of 19.3 and a quality factor (Q × f) of 93,400 GHz and a temperature coefficient of resonant frequency ( $ \tau_{f} $ ) of ?66 ppm/ °C were obtained for Nd(Mg0.43Ni0.07Sn0.5)O3 ceramics that were sintered at 1,550 °C for 4 h. |
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