ZnO based varistors are widely used for overvoltage protection in many electrical and
electronic circuits, at voltages ranging from a few to over a million volts. By careful control of …

This article reviews the progress in developing ZnO-V2O5-based metal oxide varistors
(MOVs) using powder metallurgy (PM) techniques. The aim is to create new, advanced …

ZnO‐based varistors are today the established technology for overvoltage surge protection
on all voltage levels, ranging from a few volts in electronics up to> 1 MV in ultra‐high voltage …

Abstract ZnO-TiO 2− MgO-Al 2 O 3 linear resistors with various Y 2 O 3 dopant
concentrations were fabricated using the conventional solid-state reaction method. The …

The effects of Sb 2 O 3 content on the microstructures and electrical properties of the ZnO
varistors, especially on the degradation behavior under pulse current stress were studied …

Phase transformations and crystallographic defects are two essential tools to drive
innovations in materials. Bulk materials design via tuning chemical compositions is …

Today, ab-initio calculations are becoming a powerful tool to perform virtual experiments that
have the capacity to predict and to reproduce experimentally observed non-periodic …

A varistor having ultra-high performance was developed from doped ZnO nanopowders
using a novel composition consisting of only three (Bi, Ca and Co oxides) dopants. Improved …

Ultrafast high-temperature heating methods based on the Joule heating of carbon heaters
can dramatically shorten the time required for material synthesis/sintering. However …

Spatially non-uniform electrical performance in ZnO varistor ceramics, which restricts
application for higher energy absorption capability, is investigated in terms of electronic …