Preparation of Ultrafine Cobalt Ferrite Particles by Solution SHS Method

doi:10.4028/www.scientific.net/AMR.284-286.645

	Preparation of Ultrafine Cobalt Ferrite Particles by Solution SHS Method
	Li, Xi-en; Zhu, Xuhua
	2011
会议名称	MATERIALS AND DESIGN, PTS 1-3
会议录名称	TRANS TECH PUBLICATIONS LTD
卷号	284-286
页码	645-+
会议日期	JUL 29-31, 2011
会议地点	Sanya, PEOPLES R CHINA
出版地	KREUZSTRASSE 10, 8635 DURNTEN-ZURICH, SWITZERLAND
出版者	TRANS TECH PUBLICATIONS LTD
摘要	Nanosized CoFe2O4 powders of 12nm particle size were directly prepared by solution SHS method at room temperature. The overall process involves three steps: formation of homogeneous sol; formatiom of dried gel; and combustion of the dried gel. Experiments revealed that CoFe2O4 dried gel derived from citrate and nitrate sol exhibited self-propagation combustion(SHS) at room temperature once it was ignited in air. After self-propagating combustion, the gel directly transforms into nanosized CoFe2O4 particles. The self-propagating combustion was considered as a heat-induced exothermic oxidation-reduction reaction between nitrate ions and carboxyl group. Differential thermal analysis-thermogravimetry (DTA-TG) was used to study the decomposition of the precursor. The structure of the nanosized CoFe2O4 powders was characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM).
关键词	CoFe2O4 solution SHS method nanosized powders
DOI	10.4028/www.scientific.net/AMR.284-286.645
URL	查看原文
收录类别	CPCI ; CPCI-S
语种	英语
WOS研究方向	Science & Technology - Other Topics ; Materials Science
WOS类目	Nanoscience & Nanotechnology ; Materials Science, Ceramics ; Materials Science, Composites
WOS记录号	WOS:000302669800128
原始文献类型	Proceedings Paper
引用统计	被引频次[WOS]：0 [WOS记录] [WOS相关记录]
文献类型	会议论文
条目标识符	http://ir.lzufe.edu.cn/handle/39EH0E1M/9822
专题	国有资产管理处基建处统计与数据科学学院
作者单位	1.Lanzhou Commercial Coll, Sch Agr & Forestry Econ & Management, Lanzhou 730020, Peoples R China; 2.Lanzhou Commercial Coll, Coll Stat, Lanzhou 730020, Peoples R China
推荐引用方式 GB/T 7714	Li, Xi-en,Zhu, Xuhua. Preparation of Ultrafine Cobalt Ferrite Particles by Solution SHS Method[C]. KREUZSTRASSE 10, 8635 DURNTEN-ZURICH, SWITZERLAND:TRANS TECH PUBLICATIONS LTD,2011:645-+.