<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>(Bi1/2 Na1/2)0.94Ba0.06Ti1−x
                        (Mg1/3Nb2/3)xO3 ceramic samples with x = 0.0, 0.01, 0.05, 0.15, 0.20 were synthesized by solid state method. Microstructure, dielectric properties, impedance and conductivity of the ceramics were studied. Phase formation was confirmed by X-ray diffraction. Co-doping of the ceramics with Mg and Nb at x = 0.01 raised the dielectric constant from 6510 to 8225 at the frequency of 1 KHz. Further increase in (Mg1/3Nb2/3)4+ concentration up to 0.15 increased the transition temperature from 275 °C to 339 °C and lowered the dielectric constant. The ac impedance measurements showed a linear response with frequency at lower temperature indicating insulating behavior and a single semicircular arc with spike at higher temperature.</p></abstract>

(Bi1/2 Na1/2)0.94Ba0.06Ti1−x
                        (Mg1/3Nb2/3)xO3 ceramic samples with x = 0.0, 0.01, 0.05, 0.15, 0.20 were synthesized by solid state method. Microstructure, dielectric properties, impedance and conductivity of the ceramics were studied. Phase formation was confirmed by X-ray diffraction. Co-doping of the ceramics with Mg and Nb at x = 0.01 raised the dielectric constant from 6510 to 8225 at the frequency of 1 KHz. Further increase in (Mg1/3Nb2/3)4+ concentration up to 0.15 increased the transition temperature from 275 °C to 339 °C and lowered the dielectric constant. The ac impedance measurements showed a linear response with frequency at lower temperature indicating insulating behavior and a single semicircular arc with spike at higher temperature.

Effect of simultaneous substitution of magnesium and niobium on dielectric properties and phase transition temperature of bismuth sodium barium titanate ceramics

Department of Inorganic and Analytical Chemistry, College of Science and Technology, Andhra University, Visakhapatnam, 530003, India

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

(Bi1/2 Na1/2)0.94Ba0.06Ti1−x
                        (Mg1/3Nb2/3)xO3 ceramic samples with x = 0.0, 0.01, 0.05, 0.15, 0.20 were synthesized by solid state...

Effect of simultaneous substitution of magnesium and niobium on dielectric properties and phase transition temperature of bismuth sodium barium titanate ceramics

Publié en ligne: 20 avr. 2013

Pages: 201 - 210

DOI: https://doi.org/10.2478/s13536-012-0090-4

Mots clés
(Bi0.5Na0.5)0.94Ba0.06TiO3, dielectric properties, ferroelectric properties, sintering and microstructure

© 2013 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Effect of simultaneous substitution of magnesium and niobium on dielectric properties and phase transition temperature of bismuth sodium barium titanate ceramics

Publié en ligne: 20 avr. 2013

Pages: 201 - 210

DOI: https://doi.org/10.2478/s13536-012-0090-4

Mots clés(Bi0.5Na0.5)0.94Ba0.06TiO3, dielectric properties, ferroelectric properties, sintering and microstructure

© 2013 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
(Bi0.5Na0.5)0.94Ba0.06TiO3, dielectric properties, ferroelectric properties, sintering and microstructure