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Journal of Materials Science: Materials in Electronics
Erschienen in: Journal of Materials Science: Materials in Electronics 14/2018

31.05.2018

Microwave sintered lead free ferroelectric BZT-50BCT ceramics with higher Curie temperature and improved dielectric properties

verfasst von: Seelam Rangaswamy Reddy, V. V. Bhanu Prasad, Pawan Kumar, K. Prabahar, Vishnu Shanker, Subir Roy

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 14/2018

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Abstract

Lead free ferroelectric Ba(Zr0.2Ti0.8)O3–0.5(Ba0.7Ca0.3)TiO3 ceramics with 95.2% of theoretical density and finer grains were obtained from chemically synthesized powders by microwave sintering at 1300 °C for 20 min. Microwave sintered ceramics showed higher density, higher Curie temperature (Tc) of 115 °C, higher dielectric permittivity of 2960, and minimized dielectric loss of 0.02. Whereas, the conventional sintered ceramics showed Curie temperature (Tc) of 95 °C, dielectric permittivity of 1813, and dielectric loss of 0.035. The higher Curie temperature along with improved dielectric properties might encourage practical applications of this composition as dielectric capacitors.
Vorheriger Artikel Quantum efficiency of heterostructured AlN/AlxGa1−xN photocathodes with graded bandgap emission layer
Nächster Artikel Fabrication of sputtered titanium vanadium nitride (TiVN) thin films for micro-supercapacitors

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Metadaten
Titel
Microwave sintered lead free ferroelectric BZT-50BCT ceramics with higher Curie temperature and improved dielectric properties
verfasst von
Seelam Rangaswamy Reddy
V. V. Bhanu Prasad
Pawan Kumar
K. Prabahar
Vishnu Shanker
Subir Roy
Publikationsdatum
31.05.2018
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 14/2018
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-018-9362-z

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