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学科主题: 物理化学
题名: Structural, Sintering and Electrical Properties of Cr-doped La0.6Sr0.4CrxFe1-xO3-delta (x=0.10, 0.20) Oxides
作者: Lu, Hui1, 2;  Zhu, Linlin1, 3;  Kim, Jong Pyo2;  Son, Sou Hwan2;  Park, Jung Hoon2
通讯作者: 鲁辉 ;  JungHoonPark
关键词: Perovskite ;  Crystal structure ;  Sintering ;  Electrical conductivity
刊名: JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
发表日期: 2012-07-01
卷: 28, 期:7, 页:654-660
收录类别: SCI
文章类型: Article
部门归属: 5
项目归属: 504
产权排名: 1, 1
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Materials Science, Multidisciplinary ;  Metallurgy & Metallurgical Engineering
研究领域[WOS]: Materials Science ;  Metallurgy & Metallurgical Engineering
英文摘要: The perovskite Cr-doped La0.6Sr0.4CrxFe1-xO3-delta (x=0.10, 0.20) oxides were synthesized via the citrate gel method. The perovskite forming of the La0.6Sr0.4CrxFe1-xO3-delta (x=0.10, 0.20) oxides were studied by thermogravimetric analysis (TG), differential scanning calorimetry (DSC), and X-ray diffraction (XRD). Structural and chemical stability under H-2-containing helium atmospheres of La0.6Sr0.4CrxFe1-xO3-delta (x=0.10, 0.20) were investigated by TG and XRD. The sintering microstructures of the perovskite La0.6Sr0.4CrxFe1-xO3-delta (x=0.10, 0.20) ceramics were investigated by scanning electron microscopy (SEM), and the electrical conductivities of both oxide ceramics were also measured up to 900 degrees C. The results demonstrated that the chemical stability of the Co-free La0.6Sr0.4CrxFe1-xO3-delta (x=0.10, 0.20) oxides was significantly improved compared to the Co-containing La0.6Sr0.4Co0.2Fe0.8O3-delta and Ba0.5Sr0.5Co0.8Fe0.2O3-delta oxides. The incorporation of Cr cations in the B-site of the pervoskite oxides resulted in the improved structural and chemical stability of the as-synthesized La0.6Sr0.4CrxFe1-xO3-delta (x=0.10, 0.20) oxides.
关键词[WOS]: BA0.5SR0.5CO0.8FE0.2O3-DELTA MEMBRANE REACTOR ;  OXYGEN-PERMEABLE MEMBRANE ;  PARTIAL OXIDATION ;  HIGH-PRESSURES ;  PERMEATION ;  STABILITY ;  TEMPERATURE ;  PERFORMANCE ;  METHANE ;  LA0.6SR0.4CO0.2FE0.8O3-DELTA
语种: 英语
WOS记录号: WOS:000308570200012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/118257
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Korea Inst Energy Res, Climate Change Technol Res Div, Greenhouse Gas Res Ctr, Taejon 305343, South Korea
3.Liaoning Univ Petr & Chem Technol, Coll Chem & Mat Sci, Fushun 113001, Peoples R China

Recommended Citation:
Lu, Hui,Zhu, Linlin,Kim, Jong Pyo,et al. Structural, Sintering and Electrical Properties of Cr-doped La0.6Sr0.4CrxFe1-xO3-delta (x=0.10, 0.20) Oxides[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2012,28(7):654-660.
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