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题名: Preparation and characterization of Mn0.43Ni0.9CuFe0.67O4 by a polymerized complex method
作者: Wang Shao-Gang; Chang Ai-Min; Zhang Hui-Min; Zhao Qing
关键词: ceramics ; microstructure ; sintering ; electrical properties
刊名: Materials Chemistry and Physics
发表日期: 2008
DOI: 10.1016/j.matchemphys.2008.01.019
卷: 110, 期:1, 页:83-88
收录类别: SCI
摘要: Mn0.43Ni0.9CuFe0.67O4 nano-sized powders were synthesized by the Pechini method for the first time. A spinel-type phase was attained from calcining of the polymerized gel precursor at 400-700 °C. The thermal evolution, surface morphology, and structural behavior have been studied by TG/DTA, SEM, XRD and FT-IR. It was found that the material decomposes upon heating above 300 °C. The monoclinic structure of CuO was found to be coexistent with the spinel-type phase in both the calcined powders and the sintered ceramics. The electrical properties were deeply affected by the crystal phase of CuO. The ceramics sintered at 1100 °C showed the best electrical properties as well as the density, of which the relative density was measured to be about 96%. The resistivity ρ25 °C is about 600 Ω cm and B25 °C/50 °C is about 2000.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/1986
Appears in Collections:材料物理与化学研究室_期刊论文

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作者单位: Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China;Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Wang Shao-Gang,Chang Ai-Min,Zhang Hui-Min,et al. Preparation and characterization of Mn0.43Ni0.9CuFe0.67O4 by a polymerized complex method[J]. Materials Chemistry and Physics,2008,110(1):83-88.
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文件名: preparation and characterization of mn0.43ni0.9cufe0.67o4 by a polymerized complex method.pdf
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