Effect of Sintering Behavior on Microwave Properties of (Ca0.8Sr0.2)ZrO3 Ceramics for Resonators

Cheng Hsing Hsu; Chia Hao Chang; Wen Shiush Chen; Jenn Sen Lin; Chun Hung Lai

doi:10.4028/www.scientific.net/MSF.787.338

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HomeMaterials Science ForumMaterials Science Forum Vol. 787Effect of Sintering Behavior on Microwave...

Effect of Sintering Behavior on Microwave Properties of (Ca_0.8Sr_0.2)ZrO₃ Ceramics for Resonators

Abstract:

Microwave dielectric properties and microstructures of (Ca_0.8Sr_0.2)ZrO₃ ceramics prepared by the conventional solid-state route have been studied. The values of the dielectric constant (ε_r) were 22-26. The Q×f values of 10400–11500 GHz were obtained when the sintering temperatures were in the range of 1400–1490°C. The temperature coefficient of the resonant frequency τ_f was not sensitive to the sintering temperature. The ε_r value of 26, the Q×f value of 11500 GHz, and the τ_f value of-9 ppm/°C were obtained for (Ca_0.8Sr_0.2)ZrO₃ ceramics sintering at 1490°C. The ceramic, (Ca_0.8Sr_0.2)ZrO₃ is proposed as a suitable candidate material for application in highly selective microwave ceramic passive components.

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Periodical:

Materials Science Forum (Volume 787)

Pages:

338-341

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.787.338

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Online since:

April 2014

Authors:

Cheng Hsing Hsu*, Chia Hao Chang, Wen Shiush Chen, Jenn Sen Lin, Chun Hung Lai

Keywords:

(Ca_0.8Sr_0.2)ZrO₃ Ceramics, Microstructure, Microwave Dielectric Properties, Sintering

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