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Enhancing the microwave dielectric properties of Nd (Mg0.5Sn0.5)O3 ceramics by substituting Nd3+ with Ca2+

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Abstract

The microwave dielectric properties of Nd(1−2x/3)Cax(Mg0.5Sn0.5)O3 ceramics were examined to evaluate their exploitation for mobile communication. Nd(1−2x/3)Cax(Mg0.5Sn0.5)O3 ceramics were prepared by the conventional solid-state method with various sintering temperatures. The X-ray diffraction patterns of the Nd2.9/3Ca0.05(Mg0.5Sn0.5)O3 ceramics revealed no significant variation of phase with the sintering temperature. Nd2.9/3Ca0.05(Mg0.5Sn0.5)O3 ceramics that were sintered at 1,550 °C for 4 h had the following properties: a density of 6.86 g/cm3, a dielectric constant (εr) of 19.3, a quality factor (Q × f) of 99,000 GHz, and a temperature coefficient of resonant frequency (τ f ) of −65 ppm/°C.

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Acknowledgments

This work was supported by the National Science Council in Taiwan under Grant NSC 101-2221-E-262-009-.

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  1. Department of Electronic Engineering, Lunghwa University of Science and Technology, Gueishan Shiang, Taoyuan County, Taiwan

    Yen-Nien Wang

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  1. Yen-Nien Wang
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Correspondence to Yen-Nien Wang.

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Wang, YN. Enhancing the microwave dielectric properties of Nd (Mg0.5Sn0.5)O3 ceramics by substituting Nd3+ with Ca2+ . J Mater Sci: Mater Electron 24, 4510–4515 (2013). https://doi.org/10.1007/s10854-013-1434-5

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  • DOI: https://doi.org/10.1007/s10854-013-1434-5

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