1 23 Journal of Electroceramics ISSN 1385-3449 Volume 29 Number 2 J Electroceram (2012) 29:125-132 DOI 10.1007/s10832-012-9753-0 Varistor behavior of Mn doped ZnO ceramics prepared from nanosized precursors M. Ebrahimizadeh Abrishami, A. Kompany & S. M. Hosseini