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Effect of Sr and Ce on Synthesis of Nanometer Perovskite LaMnO3+λ 陈震1,丁红梅1,吴晓东1,翁端1,徐鲁华1 (1.Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, China) Abstract:Nanometer perovskite LaMnO3+λ, La0.6Ce0.4MnO3+λ and La0.6Sr0.4MnO3+λ were prepared by citric acid-aided sol-gel method. The effects of Ce, Sr on the structure and properties of nanometer perovskite were......
Effects of precipitate aging time on the cerium-zirconium composite oxides钟强,崔梅生,岳梅,王琦,王磊,郭荣贵,龙志奇,黄小卫Grirem Advanced Materials Co., Ltd., General Research Institute for Nonferrous Metals摘 要:Cerium-zirconium composite oxides with high performance were synthesized by a co-precipitation method, using zirconium oxychloride and rare earth chloride as raw......
Effects of precipitate aging time on the cerium-zirconium composite oxides钟强,崔梅生,岳梅,王琦,王磊,郭荣贵,龙志奇,黄小卫Grirem Advanced Materials Co., Ltd., General Research Institute for Nonferrous Metals摘 要:Cerium-zirconium composite oxides with high performance were synthesized by a co-precipitation method, using zirconium oxychloride and rare earth chloride as raw......
Catalytic combustion of diesel soot over K2NiF4-type oxides La2-xKxCuO4朱玲,王学中,梁存珍摘 要:Nanostructure K2NiF4 type oxides La2-xKxCuO4 complex oxides were... of La2-xKxCuO4 for soot combustion greatly; the substitution quality affected the structure and catalytic activity obviously. The La1.8K0.2CuO4 complex oxides with tetrahedral structures had the best catalytic......
Chemical interaction of Ce-Fe mixed oxides for methane selective oxidation祝星1,2,杜云鹏1,2,王华1,2,魏永刚1,2,李孔斋1,2,孙令玥31. State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming... and Technology摘 要:Chemical interaction of Ce-Fe mixed oxides was investigated in methane selective oxidation via methane temperature programmed reduction......
Chemical interaction of Ce-Fe mixed oxides for methane selective oxidation祝星1,2,杜云鹏1,2,王华1,2,魏永刚1,2,李孔斋1,2,孙令玥31. State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming... and Technology摘 要:Chemical interaction of Ce-Fe mixed oxides was investigated in methane selective oxidation via methane temperature programmed reduction......
A Study on the Specific Heat of the Lanthanide Oxides成向荣,陈战摘 要:<正> In this paper,we report the measurements of the specific heat of the lanthanide oxides(La2O3,CeO2,Pr6O11,Nd2O3,Sm2O3,Eu2O3,Gd2O3,Tb4O7,Dy2O3,Ho2O3,Er2O3,Tm2O3,Yb2O3,Lu2O3)from-150℃ to800℃ by using adiabatic scanning calorimeter.We found that chemical reactions occur during......
XPS study of surface absorbed oxygen of ABO3 mixed oxides赵馨,杨秋华,崔津津摘 要:Perovskite-type complex oxides ABO3 (A=Sr, La; B=Mn, Fe, Co) were prepared by citric acid method. The degradation of water-solubilized dyes was carried out using the mixed oxides as photocatalyst. The surface absorbed oxygen was analyzed using X-ray photoelectron spectroscopy (XPS......
XPS study of surface absorbed oxygen of ABO3 mixed oxides YANG Qiuhua1,CUI Jinjin1,ZHAO Xin1 (1.Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, China) Abstract:Perovskite-type complex oxides ABO3 (A=Sr, La;B=Mn, Fe, Co) were prepared by citric acid method. The degradation of water-solubilized dyes was carried out using the mixed oxides as photocatalyst......
Preparation of Perovskite-Type Oxides La1-xSrxFe1-yCoyO3 Using EDTA Sol-Gel Method 王华1,马文会1,于洁1 (1.Faculty of Materials and Metallurgical Engineering, Kunming University of Science and Technology, Kunming, 650093, China) Abstract:Two series of perovskite-type oxides with composition La1-xSrxFeO3(x≤0.8)and La1-xSrxFe1-yCoyO3(x=0.2; y=0.2, 0.4)powder productions were synthesized by EDTA......
