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	The influence of Mn dopant on the electromagnetic properties of NiCuZn ferrite
	Xiaohui Wang ; Weiguo Qu ; Longtu Li ; Zhilun Gui
	2010-05-10 ; 2010-05-10
会议名称	Ceramics International ; 3rd Asian Meeting on Electroceramics (AMEC-3) ; , Singapore ; INSPEC
关键词	Experimental/ ceramics copper alloys doping ferrites galvanomagnetic effects manganese nanoparticles nickel alloys permeability sintering zinc alloys/ Mn dopant electromagnetic properties nanosized ferrite powders sintering nanocrystals microstructures permeability NiCuZn:Mn/ A6170T Doping and implantation of impurities A7215G Galvanomagnetic and other magnetotransport effects (metals/alloys) A8120L Preparation of ceramics and refractories A8120E Powder techniques, compaction and sintering A6146 Structure of solid clusters, nanoparticles, nanotubes and nanostructured materials A7550K Amorphous and nanostructured magnetic materials/ NiCuZn:Mn/ss NiCuZn/ss Cu/ss Mn/ss Ni/ss Zn/ss Mn/el Mn/dop
中文摘要	In this paper, a citrate precursor method was used to prepare nano-sized NiCuZn ferrite powders with a composition of (Ni/sub 0.15 /Cu/sub 0.2/Zn/sub 0.65/O) (Fe/sub 2-x/Mn/sub x/O/sub 3+0.5x/)/sub 0.99/, (x = 0-0.04). Because of excellent sintering activity, the nanocrystals can be sintered below 900 degrees C without the addition of sintering aids. The effect of Mn dopant on the microstructures and the initial permeability was investigated. The results show that the introduction of Mn into NiCuZn ferrite has a great influence on its electromagnetic properties. The initial permeability of NiCuZn ferrite increases greatly with a small amount of Mn addition firstly, and then further increase of Mn content leads to a decrease in the initial permeability. By changing the content of Mn addition, the useful frequency dependence of initial permeability could be adjusted in a range of frequency from several hundreds of kilohertz to several megahertzs.
会议录出版者	Elsevier ; UK
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/18100]
专题	清华大学
推荐引用方式 GB/T 7714	Xiaohui Wang,Weiguo Qu,Longtu Li,et al. The influence of Mn dopant on the electromagnetic properties of NiCuZn ferrite[C]. 见:Ceramics International, 3rd Asian Meeting on Electroceramics (AMEC-3), , Singapore, INSPEC.

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