Abstract
In order to examine diesel exhaust particulate combustion characteristics perovskite related complex oxide of 327type were investigated. Perovskite complex oxide of La1.5Sr1.5MnO7 and La1.5Sr1.5Mn1.95Fe0.05O7 and La1.5Sr1.5Mn1.95Ni0.05O7 did not show enough combustion reaction at 543K, while La1.5Sr1.5Mn1.95Cu0.05O7 showed markable ability to cause combustion reaction at 543K. Consequently, the La1.5Sr1.5Mn1.95Cu0.05O7 complex oxide showed a superior combustion characteristic at relatively low temperature region.