Microwave dielectric properties of Li2WO4 ceramic with ultra-low sintering temperature

Di Zhou; Clive A. Randall; Li Xia Pang; Hong Wang; Jing Guo; Gao Qun Zhang; Xin Guang Wu; Li Shui; Xi Yao

doi:10.1111/j.1551-2916.2010.04312.x

Microwave dielectric properties of Li₂WO₄ ceramic with ultra-low sintering temperature

Di Zhou, Clive A. Randall, Li Xia Pang, Hong Wang, Jing Guo, Gao Qun Zhang, Xin Guang Wu, Li Shui, Xi Yao

Research output: Contribution to journal › Article

138 Scopus citations

Abstract

A new ultra-low-temperature firing microwave dielectric ceramic, Li ₂WO₄ with the phenacite structure, was prepared via solid-state reaction method. The Li₂WO₄ ceramic can be well sintered at 640°-660°C, with a microwave relative permittivity ∼5.5, a Q×f value about 62 000 GHz, and a negative temperature coefficient of -146 ppm/°C at 15.7 GHz. From an X-ray diffraction analysis, the Li₂WO₄ ceramic was found to be chemically compatible with both silver and aluminum powders at 640°C. All the results indicate that the Li₂WO₄ ceramic is a promising candidate for ultra-low temperature cofired ceramic technology, especially for dielectric substrate application.

Original language	English (US)
Pages (from-to)	348-350
Number of pages	3
Journal	Journal of the American Ceramic Society
Volume	94
Issue number	2
DOIs	https://doi.org/10.1111/j.1551-2916.2010.04312.x
State	Published - Feb 1 2011

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Materials Chemistry

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Zhou, D., Randall, C. A., Pang, L. X., Wang, H., Guo, J., Zhang, G. Q., Wu, X. G., Shui, L., & Yao, X. (2011). Microwave dielectric properties of Li₂WO₄ ceramic with ultra-low sintering temperature. Journal of the American Ceramic Society, 94(2), 348-350. https://doi.org/10.1111/j.1551-2916.2010.04312.x

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title = "Microwave dielectric properties of Li2WO4 ceramic with ultra-low sintering temperature",

abstract = "A new ultra-low-temperature firing microwave dielectric ceramic, Li 2WO4 with the phenacite structure, was prepared via solid-state reaction method. The Li2WO4 ceramic can be well sintered at 640°-660°C, with a microwave relative permittivity ∼5.5, a Q×f value about 62 000 GHz, and a negative temperature coefficient of -146 ppm/°C at 15.7 GHz. From an X-ray diffraction analysis, the Li2WO4 ceramic was found to be chemically compatible with both silver and aluminum powders at 640°C. All the results indicate that the Li2WO4 ceramic is a promising candidate for ultra-low temperature cofired ceramic technology, especially for dielectric substrate application.",

author = "Di Zhou and Randall, {Clive A.} and Pang, {Li Xia} and Hong Wang and Jing Guo and Zhang, {Gao Qun} and Wu, {Xin Guang} and Li Shui and Xi Yao",

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doi = "10.1111/j.1551-2916.2010.04312.x",

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AU - Zhou, Di

AU - Randall, Clive A.

AU - Pang, Li Xia

AU - Wang, Hong

AU - Guo, Jing

AU - Zhang, Gao Qun

AU - Wu, Xin Guang

AU - Shui, Li

AU - Yao, Xi

PY - 2011/2/1

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