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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Low-Arable high-K dielectric in the Zr_x(Zn_(1/3)Nb_(2/3))_(1-x)TiO_4 ceramic system
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Low-Arable high-K dielectric in the Zr_x(Zn_(1/3)Nb_(2/3))_(1-x)TiO_4 ceramic system

机译：Zr_x（Zn_（1/3）Nb_（2/3））_（1-x）TiO_4陶瓷系统中的低耕种高K电介质

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摘要

Composite ceramics in the solid solution of Zr_x(Zn_(1/3)Nb_(2/3))_(1-x)TiO_4 (x = 0.1-0.4) have been prepared by the mixed oxide route. Formation of solid solution was confirmed by the X-ray diffraction patterns. The microwave dielectric properties, such as dielectric constant (epsilon_r), Q × f value and temperature coefficient of resonant frequency (tau_f) have been investigated as a function of composition and sintering temperature. With x increasing from 0.1 to 0.4, the dielectric constant decreases from 70.9 to 43.2, and the tau_f decreases from 105 to 55 ppm/°C The Q ×f value, however, increases with increasing x value to a maximum 26,600 GHz (at 6 GHz) at x = 0.3, and then decreases thereafter. For low-loss microwave applications, a new microwave dielectric material Zr_(0.3)(Zn_(1/3)Nb_(2/3))_(0.7)TiO_4, possessing a fine combination of microwave dielectric properties with a high epsilon_r of 51, a high Q × f of 26,600 GHz (at 6GHz) and a tau_f of 70 ppm/°C, is suggested.
机译：通过混合氧化物法制备了Zr_x（Zn_（1/3）Nb_（2/3））_（1-x）TiO_4（x = 0.1-0.4）固溶体中的复合陶瓷。通过X射线衍射图确认固溶体的形成。研究了微波介电常数，如介电常数（ε_r），Q×f值和谐振频率温度系数（tau_f）随成分和烧结温度的变化。当x从0.1增大到0.4时，介电常数从70.9减小到43.2，tau_f从105 ppm /°C减小。Q×f值随x值增加到最大26,600 GHz（在6 GHz）在x = 0.3，然后减小。对于低损耗微波应用，新型微波介电材料Zr_（0.3）（Zn_（1/3）Nb_（2/3））_（0.7）TiO_4具有微波介电性能与51的高epsilon_r的优良组合建议使用26,600 GHz（在6GHz时）的高Q×f和70 ppm /°C的tau_f。

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