A method for manufacturing barium zirconate particles includes providing a
mixture of materials that includes barium, zirconium and a sintering aid,
wherein the sintering aid includes at least one of barium tungstate,
potassium niobate, tungsten oxide, barium molybdate, molybdenum oxide,
potassium tantalate, potassium oxide, sodium niobate, sodium tantalate,
sodium oxide, lithium niobate, lithium tantalate, lithium oxide, copper
oxide, manganese oxide, zinc oxide, calcium zirconate and strontium
zirconate; and heating the mixture of materials to produce barium
zirconate particles that include the sintering aid.