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Abstract：
Effects of ZnO-B2O3 (ZB) addition on the densification, phase evolution and microwaves dielectric properties of Ba4Sm9.33Ti18O54 (BST) ceramics for low-temperature fired applications have been investigated. The sintering temperature of BST ceramics can be effectively lowered to about 1000A degrees C with introduction of ZB. Tungsten bronze like single phase is observed in the BST ceramics with 0.5 and 1.0% ZB. However, Sm2Ti2O7 secondary phase appears when ZB addition reaches 2%, and Sm2Ti2O7 phase gradually increases with the increase ZB addition. Microwave dielectric properties of the present ceramics are strongly dependent on phase constitution and density. Optimal microwave dielectric properties of epsilon = 63.4, Qf = 2830 GHz, tau (f) =-8.8 ppm/A degrees C is obtained for BST ceramics with 1% ZB addition.
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GLASS PHYSICS AND CHEMISTRY
ISSN： 1087-6596
Year： 2016
Issue： 6
Volume： 42
Page： 561-565
0 . 5 3 8
JCR@2016
0 . 8 0 0
JCR@2023
ESI Discipline： MATERIALS SCIENCE;
ESI HC Threshold：324
JCR Journal Grade：4
CAS Journal Grade：4
Cited Count：
WoS CC Cited Count： 4
SCOPUS Cited Count： 4
ESI Highly Cited Papers on the List： 0 Unfold All
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30 Days PV： 0
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