The slurry may further include a surfactant such as cetyldimethyl ammonium bromide, cetyldimethyl ammonium bromide, polyethylene oxide, polyethylene alcohol or polyethylene glycol.SUMMARY OF THE INVENTIONProvided is a method of preparing cerium oxide particles, comprising: heating a cerium precursor compound to a heat treatment temperature of between about 710 C and about 760 C under an oxidizing