Substituted Bi3.5Mg1.8Nb2.7O13.8 pyrochlores with transition metals (Zn, Ni and Cd): Doping mechanism, structure and electrical properties

• Published in: Processing and Application of Ceramics Vol. 18; no. 3; pp. 281 - 289
• Main Authors: Tan, Phei, Tan, Kar, Khaw, Chwin, Ananda, Murthy, Balachandran, Ruthramurthy, Chen, Soo, Lee, Jew, Chan, Kah, Lu, Ming
• Format: Journal Article
• Language: English
• Published: University of Novi Sad 01.09.2024
• Subjects: bi/mg niobate; capacitors; dielectric properties; impedance spectroscopy; solid state synthesis

The influence of transition metals (Zn, Cd and Ni) on bismuth magnesium niobate (Bi3.5Mg1.8Nb2.7O13.8, BMN) pyrochlores was investigated. Considering the difference in their ionic radii, Cd was postulated to substitute Mg at the eight-fold coordinated A-site whereas Zn and Ni were to replace Mg at t...