A synergistic effect of La2O3–B2O3–ZnO and V2O5–CuO glass on the low-temperature sintering of Ca0.6La0.268TiO3 dielectric ceramic

A synergistic effect of La2O3–B2O3–ZnO and V2O5–CuO glass on the low-temperature sintering... The La2O3–B2O3–ZnO (LBZ) and V2O5–CuO (VC) glasses were co-doped to the Ca0.6La0.268TiO3 (CLT) ceramics as the sintering aids. The effects of LBZ and VC glasses on the low temperature sintering characteristics, phase composition, microstructure, activation energy and dielectric properties of CLT ceramics were investigated systematically. The results show that the synergistic effect of the LBZ and VC co-doped glasses can greatly reduce the sintering temperature of CLT from 1350 to 900 °C with excellent microwave dielectric properties, attributing to the reduction of the activation energy (Ea) of the CLT with co-doped glasses. Typically, CLT ceramics with 3 wt% LBZ and 1 wt% VC sintered at 900 °C/4 h exhibited good microwave dielectric properties of εr = 98.94, Q × f = 4885 GHz (f = 3.25 GHz) and τf = 305.17 ppm/°C. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Materials Science: Materials in Electronics Springer Journals

A synergistic effect of La2O3–B2O3–ZnO and V2O5–CuO glass on the low-temperature sintering of Ca0.6La0.268TiO3 dielectric ceramic

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Publisher
Springer US
Copyright
Copyright © 2017 by Springer Science+Business Media New York
Subject
Materials Science; Optical and Electronic Materials; Characterization and Evaluation of Materials
ISSN
0957-4522
eISSN
1573-482X
D.O.I.
10.1007/s10854-017-7147-4
Publisher site
See Article on Publisher Site

Abstract

The La2O3–B2O3–ZnO (LBZ) and V2O5–CuO (VC) glasses were co-doped to the Ca0.6La0.268TiO3 (CLT) ceramics as the sintering aids. The effects of LBZ and VC glasses on the low temperature sintering characteristics, phase composition, microstructure, activation energy and dielectric properties of CLT ceramics were investigated systematically. The results show that the synergistic effect of the LBZ and VC co-doped glasses can greatly reduce the sintering temperature of CLT from 1350 to 900 °C with excellent microwave dielectric properties, attributing to the reduction of the activation energy (Ea) of the CLT with co-doped glasses. Typically, CLT ceramics with 3 wt% LBZ and 1 wt% VC sintered at 900 °C/4 h exhibited good microwave dielectric properties of εr = 98.94, Q × f = 4885 GHz (f = 3.25 GHz) and τf = 305.17 ppm/°C.

Journal

Journal of Materials Science: Materials in ElectronicsSpringer Journals

Published: May 31, 2017

References

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