Recent research developments in SnO2-based varistors

MR Cássia-Santos, VC Sousa, MM Oliveira… - Materials Chemistry and …, 2005 - Elsevier
This paper discusses some advances in research conducted on SnO2-based
electroceramics. The addition of different dopants, as well as several thermal treatments in …

Role of oxygen at the grain boundary of metal oxide varistors: A potential barrier formation mechanism

PR Bueno, ER Leite, MM Oliveira, MO Orlandi… - Applied Physics …, 2001 - pubs.aip.org
A model is proposed here to explain how the chemical features of metal oxide varistors can
alter their nonohmic physical behavior, based on nonohmic similarities in the electrical …