Optimization of Bi2O3, TiO2, and Sb2O3 doped ZnO-based low-voltage varistor ceramic to maximize nonlinear electrical properties

• Main Authors: Dorraj, Masoumeh, Zakaria, Azmi, Abdollahi, Yadollah, Hashim, Mansor, Moosavi, Seyedehmaryam
• Format: Article
• Language: English
• Published: Hindawi Publishing Corporation 2014
• Online Access: http://psasir.upm.edu.my/id/eprint/34767/1/Optimization%20of%20Bi2O3%2C%20TiO2%2C%20and%20Sb2O3%20Doped.pdf; http://psasir.upm.edu.my/id/eprint/34767/; http://www.hindawi.com/journals/tswj/2014/741034/abs/

In ZnO-based low voltage varistor, the two essential features of microstructure determining its nonlinear response are the formation Bi-enriched active grain boundaries as well as a controlled ZnO grain size by secondary spinel-type phases. Besides, the microstructure and phase composition are stron...