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Effect of B2O3 addition on the sintering temperature and microwave dielectric properties of Zn2SiO4 ceramics

Authors
Kim, Jin-SeongSong, Myung-EunJoung, Mi-RiChoi, Jae-HongNahm, SahnGu, Sin-IlPaik, Jong-HooChoi, Byung-Hyun
Issue Date
Jan-2010
Publisher
ELSEVIER SCI LTD
Keywords
Sintering; Microwave dielectric properties; Zn2SiO4
Citation
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, v.30, no.2, pp.375 - 379
Indexed
SCIE
SCOPUS
Journal Title
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
Volume
30
Number
2
Start Page
375
End Page
379
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/117203
DOI
10.1016/j.jeurceramsoc.2009.04.028
ISSN
0955-2219
Abstract
B2O3 (25.0 mol%) was added to Zn2-xSiO4-x ceramics (0.0 <= x <= 0.5) to decrease the sintering temperature. Specimens with 0.0 <= x <= 0.3 sintered at 900 degrees C were well sintered with a high density due to the formation of a B2O3 or B2O3-SiO2 liquid phase. The Q x f value of the Zn2SiO4 ceramic was relatively low, 32,000 GHz, most likely due to the presence of a ZnO second phase. A maximum Q x f value of 70,000 GHz was obtained for the specimens with x = 0.2-0.3, and their epsilon(r) and tau(f) values were approximately 6.0 and -21.9 ppm/degrees C, respectively. Ag metal did not interact with the 25.0 mol% B2O3-added Zn1.8SiO3.8 ceramic, indicating that Zn2-xSiO4-x ceramics containing B2O3 are a good candidate materials for low temperature co-fired ceramic devices. (C) 2009 Elsevier Ltd. All fights reserved.
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