材料研究学报  2007, Vol. 21 Issue (3): 324-328

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用溶胶-凝胶法制备纳米锶铁氧体粉

黄英　 杜朝锋　 秦秀兰　 何文栋

黄英; 杜朝锋; 秦秀兰; 何文栋 . 用溶胶-凝胶法制备纳米锶铁氧体粉[J]. 材料研究学报, 2007, 21(3): 324-328.

摘要 参考文献 相关文章 Metrics 全文: PDF(783 KB)   摘要: 以硝酸锶和硝酸铁无机盐为前驱体配制非化学计量比溶胶,采用柠檬酸溶胶-凝胶法制备纳米级锶铁氧体(SrFe12O19).用X-射线衍射仪(XRD)、振动样品磁强计(VSM)、场发射扫描电镜(FESEM)对锶铁氧体粉进行表征,研究了锶铁氧体的生长过程和反应过程的机理以及锶铁氧体的磁性能随着温度的变化.结果表明:采用"两步法"对凝胶进行热处理减少了非磁性物质的形成,降低了获得单相锶铁氧体的温度.锶铁氧体在600～700℃开始形成,在900℃获得单一组成的锶铁氧体,在800℃焙烧的锶铁氧体其矫顽力出现最大值Hc=454.16 kA/m,比饱和磁化强度σs=55.91 A·m2/kg. Key words： 收稿日期: 1900-01-01      服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 黄英 杜朝锋 秦秀兰 何文栋 44.8K 链接本文: https://www.cjmr.org/CN/Y2007/V21/I3/324 1 P.Veverka,K.Kniz~- ek,E.Pollert,J.Boha′c~- ek, S.Vasseur,E.Duguet,J.Portier.Strontium ferrite nanoparticles synthesized in presence of polyvinylalcohol: Phase composition,microstructural and magnetic proper- ties.Journal of Magnetism and Magnetic Materials,309, 106(2007) 2 S.G.Doh,E.B.Kim,B.H.Lee,J.H.Oh.Characteristic and synthesis of Cu-Ni ferrite nanopowders by coprecipitation method with ultrasound irradiation,Journal of Magnetism and Magnetic Materials,272,2238(2004) 3 Hsing-ⅠHsiang,Chia-Hou Chang.Molten salt synthe- sis and magnetic properties of 3BaO·2CoO·12Fe_2O_3 pow- der,Journal of Magnetism and Magnetic Materials,278, 218(2004) 4 J.F.Wang,C.B.Ponton,I.R.Harris,A study of Sin- substituted SrM magnets sintered using hydrothermally synthesised powders,Journal of Magnetism and Magnetic Materials,298,122(2006) 5 S.Woltza,R.Hiergeist,P.G(?)rnertb,C.R(?)ssel.Magnetite nanoparticles prepared by the glass crystallization method and their physical properties,Journal of Magnetism and Magnetic Materials,298,7(2006) 6 Guoqing Xu,Hongliang Ma,Minjian Zhong,Jiong Zhou, Yuezhong Yue,Zhengming He.Influence of pH on charac- teristics of BaFe_(12)O_(19)powder prepared by sol-gel auto- combustion,Journal of Magnetism and Magnetic Materi- als,301,383(2006) 7 SUN Jingjing,LI Jianbao,ZHANG Bo,ZHAI Huazhang, SUN Geliang.Current status of ceramics materials in elec- tromagnetic wave absorbing,Journal of Materials Engi- neering,2,43(2003) (孙晶晶,李建保,张波,翟华嶂,孙格靓．陶瓷吸波材料的研究现状,材料工程,2,43(2003)) 8 LIU Xiansong,DOU Youwei.Present states and recent advances in M-type ferrites,Journal of Magnetic Materi- als and Devices,32,27(2001) (刘先松,都有为．M型永磁铁氧体的现状与进展,磁性材料及器件,32,27(2001)) 9 L.A.Garcia - Cerda,O.S.Rodr′iguez - Fern(?)ndez, P.J.Res(?)ndiz -Hern(?)ndez.Study of SrFe_(12)O_(19)synthe- sized by the sol-gel method,Journal of Alloys and Com- pounds,369,182(2004) 10 ZHAO Wenyu,ZHANG Qingjie,LI Peng,GUAN Jiangno. Study on crystallzation process of strontium ferrite with magnetoplumbite structure synthesized by citrate method, Journal of Chinese Ceramic Society,31,20(2003) (赵文俞,张清杰,李鹏,官建国．柠糠酸法合成SrFe_(12)O_(19)磁铅石型铁氧体的晶化过程研究,硅酸盐学报,31,20(2003)) 11 XU Jinfeng,GUO Fangfang,XU Zheng.Synthesis and characterization of hexagonal Ba-ferrite nanocrystals, Journal of Tongji University(Natural Science).929～932, 32(2004) (徐劲峰,郭方方,徐政,六角晶系钡铁氯体纳米晶的制备和表征．同济大学学报(自然科学版),32,929(2004)) 12 Wartewig,P.,Krause,M.K.,Esquinazi,P.,Roesler,S. and.Sonntag,R.,Magnetic properties of Zn- and Ti- substituted,barium hexaferitte,Journal of Magnetism and Magnetic Materials,192,83(1999) 13 A.Ataie,S.Heshmati-Manesh.Synthesis of ultra-fine particles of strontium hexaferrite by a modified co- precipitation method,Journal of the European Ceramic Society,21,1951(2001) No related articles found! Viewed Full text Abstract Cited   Shared      Discussed