Influence of tetragonality (c/a) on dielectric nonlinearity and direct current (dc) bias characteristics of (1-x)BaTiO3-xBi0.5Na0.5TiO3 ceramics

The incorporation of Bi0.5Na0.5TiO3 (BNT) into BaTiO3 (BT) in a (1-x)BT-xBNT system, with 0 ≤ x ≤ 0.3, creates an increase in the Curie temperature and the tetragonality (c/a) of the system. This causes (1) a decrease in the dielectric constants in the entire alternating current driving field range...

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Veröffentlicht in:	Journal of applied physics 2017-10, Vol.122 (15)
Hauptverfasser:	Yoon, Seok-Hyun, Kim, Mi-Yang, Kim, Donghun
Format:	Artikel
Sprache:	eng
Schlagworte:	Anisotropy Barium titanates Bias Bismuth titanate Crystallography Curie temperature Direct current Domain walls Ferroelectricity Incompatibility Permittivity Perovskites Silica
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