scholarly journals Low loss dielectric material system of (1 − x)(Mg0.95Co0.05)2(Ti0.95Sn0.05)O4–x(Ca0.8Sm0.4/3)TiO3 at microwave frequency with a near-zero temperature coefficient of the resonant frequency

2016 ◽  
Vol 124 (3) ◽  
pp. 208-212
Author(s):  
Bing-Jing LI ◽  
Sih-Yin WANG ◽  
Yi-hong LIAO ◽  
Shih-Hung LIN ◽  
Yuan-Bin CHEN
Keyword(s):  
Resonant Frequency ◽  
Temperature Coefficient ◽  
Dielectric Material ◽  
Microwave Frequency ◽  
Material System ◽  
Zero Temperature ◽  
Low Loss

Low-temperature sintered Zn2TiO4:TiO2 with near-zero temperature coefficient of resonant frequency at microwave frequency

2009 ◽  
Vol 485 (1-2) ◽  
pp. 408-412 ◽  
Author(s):  
Chuan-Feng Shih ◽  
Wei-Min Li ◽  
Ming-Min Lin ◽  
Chu-Yun Hsiao ◽  
Kuang-Teng Hung
Keyword(s):  
Low Temperature ◽  
Resonant Frequency ◽  
Temperature Coefficient ◽  
Microwave Frequency ◽  
Zero Temperature

scholarly journals Tunable Microwave Dielectric Properties of Ca0.6La0.8/3TiO3 and Ca0.8Sm0.4/3TiO3-Modified (Mg0.6Zn0.4)0.95Ni0.05TiO3 Ceramics with a Near-Zero Temperature Coefficient

Molecules ◽  
2021 ◽  
Vol 26 (16) ◽  
pp. 4715
Author(s):  
Chung-Long Pan ◽  
Chun-Hsu Shen ◽  
Shih-Hung Lin ◽  
Qi-Zi Lin
Keyword(s):  
Dielectric Properties ◽  
Temperature Coefficient ◽  
Dielectric Material ◽  
Microwave Dielectric Properties ◽  
Material System ◽  
Zero Temperature ◽  
Two Phase ◽  
Solid State Method ◽  
Microwave Dielectric ◽  
Communication Devices

The microstructures and microwave dielectric properties of (Mg0.6Zn0.4)0.95Ni0.05TiO3 with Ca0.6La0.8/3TiO3 and Ca0.8Sm0.4/3TiO3 additions prepared by the solid-state method has been investigated. The crystallization and microstructures of these two mixed dielectrics were checked by XRD, EDX, BEI, and SEM to demonstrate two phase systems. Furthermore, the tunable dielectric properties can be achieved by adjusting the amounts of Ca0.6La0.8/3TiO3 and Ca0.8Sm0.4/3TiO3 additions, respectively. After optimization of processed parameters, a new dielectric material system 0.88(Mg0.6Zn0.4)0.95Ni0.05TiO3-0.12Ca0.6La0.8/3TiO3 possesses a permittivity (εr) of 24.7, a Qf value of 106,000 (GHz), and a τf value of 3.8 (ppm/°C), with sintering temperature at 1225 °C for 4 h. This dielectric system with a near-zero temperature coefficient and appropriate microwave properties revealed a high potential for high-quality substrates adopted in wireless communication devices.

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