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A series of La-Mn-Cu-Zn-O samples with different molar ratio Cu:Zn derived from perovskite precursors were prepared and characterized. LaMnO3 and La2CuO4 perovskite structures were obtained after calcination and ‘Cu on oxide’ was formed after reduction. Both Cu+ and Cu0 existed in the reduced samples with highly dispersion. When doping Zn to La-Mn-Cu-O system, the reducibility of part Cu species was...
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