Phase formation, structure and dielectric properties of ceramics (Na0.5Bi0.5)TiO3–(K0.5Na0.5)NbO3–BiFeO3

Influence of BiFeO3 (BF) on phase formation, unit cell parameters, microstructure, dielectric and ferroelectric properties of solid solutions close to the morphotropic phase boundary in the (Na 0 . 5 Bi 0 . 5 ) TiO3–(K 0 . 5 Na 0 . 5 ) NbO3 system additionally modified by the low-melting KCl additiv...

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Bibliographic Details
Published in:Journal of advanced dielectrics 2016-03, Vol.6 (1), p.1650007-1-1650007-5
Main Authors: Kaleva, G. M., Mosunov, A. V., Sadovskaya, N. V., Politova, E. D., Stefanovich, S. Yu
Format: Article
Language:English
Subjects:
(K0.5Na0.5)NbO3
(Na0.5Bi0.5)TiO3
Additives
BiFeO3
Bismuth ferrite
Dielectric properties
Ferroelectric materials
ferroelectric phase transitions
Ferroelectricity
KCl
microstructure
MPB
Niobates
Parameters
Perovskite structure
Perovskites
Solid solutions
Unit cell
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Summary:Influence of BiFeO3 (BF) on phase formation, unit cell parameters, microstructure, dielectric and ferroelectric properties of solid solutions close to the morphotropic phase boundary in the (Na 0 . 5 Bi 0 . 5 ) TiO3–(K 0 . 5 Na 0 . 5 ) NbO3 system additionally modified by the low-melting KCl additives has been studied. The formation of pure perovskite structure samples decrease in the unit cell parameters and increase in the T C value stimulated by the BF addition have been revealed. It was proved that modification of compositions by small amounts of the BF and KCl additives leads to improvement of dielectric parameters.
ISSN:2010-135X
2010-1368
DOI:10.1142/S2010135X16500077