Low permittivity SrCuSi4O10–LMZBS glass composite for LTCC applications

The tetragonal gillespite type SrCuSi4O10 (SCS) was prepared by the conventional solid-state ceramic route. The SCS sintered at 1100A degree C/6h showed I mu r =4.0 and tan I=1.1A-10a degree 3 at 5GHz. The SCS has poor sinterability and the addition of lithium magnesium zinc borosilicate glass (20:...

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Bibliographic Details
Published in:Materials letters 2011-02, Vol.65 (3), p.565-567
Main Authors: Manu, K.M., Anjana, P.S., Sebastian, M.T.
Format: Article
Language:English
Subjects:
Ceramics
Densification
Glass
Magnesium
Magnesium oxide
Permittivity
Sintering
Zinc
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Summary:The tetragonal gillespite type SrCuSi4O10 (SCS) was prepared by the conventional solid-state ceramic route. The SCS sintered at 1100A degree C/6h showed I mu r =4.0 and tan I=1.1A-10a degree 3 at 5GHz. The SCS has poor sinterability and the addition of lithium magnesium zinc borosilicate glass (20: Li2O, 20: MgO, 20: ZnO, 20: B2O3, 20: SiO2) lowered the sintering temperature and improved densification. The SCS ceramic with 5wt.% LMZBS glass sintered at 900A degree C has I mu r =5.0 and tan I=1.9A-10a degree 3 at 5GHz. The composite is chemically compatible with the common electrode material silver.
ISSN:0167-577X
DOI:10.1016/j.matlet.2010.10.062