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Microwave properties of the systems Ba(sub 1-x)Sr(sub x)(Zn(sub 1/3)Ta(sub 2/3))(sub 0.94)Ti(sub 0.06)O(sub 3) and Ba(Zn(sub 1/3)Nb(sub 2/3))(sub 1-x)Zr(sub x)O(sub 3)
By means of a solid-phase synthesis two types of microwave dielectric materials are obtained as follows: Ba(sub 1-x)Sr(sub x)(Zn(sub 1/3)Ta(sub 2/3))(sub 0.94)Ti(sub 0.06)O(sub 3), where x = 0.20, 0.25, 0.30, 0.35 and 0.40 at sintering temperature T(sub S) = 1350, 1400 and 1450 DGC; Ba(Zn(sub 1/3)Nb...
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Published in: | Journal of materials science. Materials in electronics 2005-05, Vol.16 (5), p.249-252. |
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Main Authors: | , |
Format: | Article |
Language: | English |
Online Access: | Get full text |
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Summary: | By means of a solid-phase synthesis two types of microwave dielectric materials are obtained as follows: Ba(sub 1-x)Sr(sub x)(Zn(sub 1/3)Ta(sub 2/3))(sub 0.94)Ti(sub 0.06)O(sub 3), where x = 0.20, 0.25, 0.30, 0.35 and 0.40 at sintering temperature T(sub S) = 1350, 1400 and 1450 DGC; Ba(Zn(sub 1/3)Nb(sub 2/3))(sub 1-x)Zr(sub x)O(sub 3), where x = 0.04, 0.06, 0.08 and 0.10 at T(sub S) = 1300, 1350, and 1400 DGC. The microwave characteristics of the materials are investigated at f = 10 GHz. The composition Ba(Zn(sub 1/3)Nb(sub 2/3))(sub 1-x)Zr(sub x)O(sub 3) demonstrates *e(sub r) = 38, Q = 6100 and *t(sub f) = +15 ppm DGC-1 and the composition Ba(sub 0.80)Sr(sub 0.20)- (Zn(sub 1/3)Ta(sub 2/3))(sub 0.94)Ti(sub 0.06)O(sub 3) has *e(sub r) = 42, Q = 8200 and *t(sub f) = -13 ppm DGC(super -1). The composition Ba(sub 0.75)Sr(sub 0.25)(Zn(sub 1/3)Ta(sub 2/3))(sub 0.94)Ti(sub 0.06)O(sub 3) has *e(sub r) = 40, Q = 6500 and low *t(sub f) = -13 DGC(super -1) ppm. This composition could be used successfully for realisation of dielectric microwave resonators for the satellite television. |
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ISSN: | 0957-4522 |
DOI: | 10.1007/s10854-005-0540-4 |