Preparation and Properties of SrFe12O19/ZnFe2O4 Core/Shell Nano-powder Microwave Absorber

doi:10.1080/10584587.2014.901882

CORC > 兰州理工大学 > 兰州理工大学 > 理学院

	Preparation and Properties of SrFe12O19/ZnFe2O4 Core/Shell Nano-powder Microwave Absorber
	Feng, Wangjun 1,2; Liu, Huiling 2; Hui, Pengfei 2; Yang, Hua 2; Li, Jing 2; Wang, Jing Sheng 2
刊名	INTEGRATED FERROELECTRICS
	2014-03-24
卷号	152 期号:1 页码:120-126
关键词	ZnFe2O4 core-shell structure absorbing properties SrFe12O19 magnetic nano-powder
ISSN号	1058-4587
DOI	10.1080/10584587.2014.901882
英文摘要	The nano-powder microwave absorber SrFe12O19/ZnFe2O4 with core-shell structure were prepared by two-step citrate sol-gel, with analytically pure Fe(NO3)(3), Sr(NO3)(2) and Zn(NO3)(2) as the main materials. The XRD, TEM, VSM and vector network analyzer were used to analyze the chemical component, structure, morphology and magnetic property of the nano-powder. The results show that when the molar ratio of and SrFe12O19 to ZnFe2O4 is 1:2 and calcined temperature is 850 degrees C, the composite powder has obvious core-shell structure and the particles are scattered homogeneously in ellipsoidal shapes or bar shapes, the particle size of the nano-powder ranges from 35 nm to 45 nm; The saturation magnetization and remanent magnetization of the composite are larger than that of the soft phase, but smaller than that of the hard due to the exchange coupling between the hard and soft phases, the coercivity larger than that of the SrFe12O19, The maximum reflection loss reaches to -35.3 dB at 17.5 GHz when matching thickness of 2 mm, with excellent absorbing properties.
资助项目	National Basic Research Program of China[11264023] ; Natural Science of Gansu Province[1014RJZA015] ; Gansu Province Education Department[1210ZTC035]
WOS研究方向	Engineering ; Physics
语种	英语
出版者	TAYLOR & FRANCIS LTD
WOS记录号	WOS:000335947300016
状态	已发表
内容类型	期刊论文
源URL	[http://119.78.100.223/handle/2XXMBERH/34429]
专题	理学院省部共建有色金属先进加工与再利用国家重点实验室
通讯作者	Feng, Wangjun
作者单位	1.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Peoples R China 2.Lanzhou Univ Technol, Sch Sci, Lanzhou 730050, Peoples R China
推荐引用方式 GB/T 7714	Feng, Wangjun,Liu, Huiling,Hui, Pengfei,et al. Preparation and Properties of SrFe12O19/ZnFe2O4 Core/Shell Nano-powder Microwave Absorber[J]. INTEGRATED FERROELECTRICS,2014,152(1):120-126.
APA	Feng, Wangjun,Liu, Huiling,Hui, Pengfei,Yang, Hua,Li, Jing,&Wang, Jing Sheng.(2014).Preparation and Properties of SrFe12O19/ZnFe2O4 Core/Shell Nano-powder Microwave Absorber.INTEGRATED FERROELECTRICS,152(1),120-126.
MLA	Feng, Wangjun,et al."Preparation and Properties of SrFe12O19/ZnFe2O4 Core/Shell Nano-powder Microwave Absorber".INTEGRATED FERROELECTRICS 152.1(2014):120-126.