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Title: Low permittivity SrCuSi4O10-LMZBS glass composite for LTCC applications
Authors: Manu, K M
Anjana, P S
Sebastian, M T
Keywords: Silicates
Microwave dielectric-properties
Dielectric loss
Relative permittivity
Issue Date: 2011
Publisher: Elsevier
Citation: Materials Letters 65(3): 565-567; 15 Feb 2011
Abstract: The tetragonal gillespite type SrCuSi4O10 (SCS) was prepared by the conventional solid-state ceramic route. The SCS sintered at 1100 degrees C/6 h showed epsilon(r) = 4.0 and tan delta =1.1 x 10(-3) at 5 GHz. 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 5 wt.% LMZBS glass sintered at 900 degrees C has epsilon(r) = 5.0 and tan delta = 1.9 x 10(-3) at 5 GHz. The composite is chemically compatible with the common electrode material silver.
ISSN: 0167-577X
Appears in Collections:2011

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