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题名: Preparation of nano-iron nitride by temperature-programmed reaction from nano-iron oxides
作者: Zheng, MY;  Cheng, RH;  Chen, XW;  Li, N;  Cong, Y;  Wang, XD;  Zhang, T
关键词: precipitation method ;  sol-gel method ;  temperature-programmed reaction method ;  nano-iron oxide ;  nano-iron nitride
刊名: CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
发表日期: 2005-04-10
卷: 26, 期:4, 页:623-627
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: A series of nano-iron oxides with different particle sizes or bulk phases were firstly prepared from cheap inorganic iron salts by precipitation or sol-gel methods. Then, the nano-iron nitride samples were prepared from the as-synthesized nano-iron oxides by temperature-programmed reaction (TPR) method, under ammonia atmosphere. The characterizations of X-ray diffraction and transmission electron microscope demonstrate that nano-iron nitride can be produced from the nano-iron oxides by TPR method. There are apparent differences in the particle sizes of iron nitride prepared from different precursors. Within some range of sizes, smaller iron oxide precursor leads to larger iron nitride particles. For the gamma phase and a phase iron oxides with similar particle sizes, the former is more likely to agglomerate during the nitridation. The iron nitride particles retain the morphology of the oxide precursors.
关键词[WOS]: NANOPARTICLES ;  FILMS
语种: 英语
WOS记录号: WOS:000228675700008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139820
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, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Zheng, MY,Cheng, RH,Chen, XW,et al. Preparation of nano-iron nitride by temperature-programmed reaction from nano-iron oxides[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2005,26(4):623-627.
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