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化学工业与工程 2007, Vol. 24 Issue (4) :299-303    DOI:
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BaFe_(12)O_(19)纳米粉体的制备与表征
龚彩荣;薛刚;范国樑;远莹莹;
天津大学材料科学与工程学院,河北工业大学能源与生态材料科学研究所,天津大学材料科学与工程学院,天津大学材料科学与工程学院 天津300072,天津300130,天津300072,天津300072
Synthesis and Characterization of BaFe_(12)O_(19) Nanoparticles
GONG Cai-rong~1,XUE Gang~2,FAN Guo-liang~1,YUAN Ying-ying~1(1.School of Material Science and Engineering,Tianjin University,Tianjin 300072,China;2.Institute of Power Source and Ecomaterials Science,Hebei University of Technology,Tianjin 300130,China)
(1.School of Material Science and Engineering,Tianjin University,Tianjin 300072,China;2.Institute of Power Source and Ecomaterials Science,Hebei University of Technology,Tianjin 300130,China
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摘要 利用Fe(OH)(HCOO)2和Ba(CH3COO)2为原料,C7H8O7.H2O为螯合剂,制得了均一的柠檬酸盐前驱体溶液,将所得的溶液进行喷雾干燥制得了含铁和钡的柠檬酸盐粉体。以制得的粉体为固相反应的前驱体,通过简单的固相分解反应制得了片状的BaFe12O19纳米粉体。同时利用高沸点的液体石蜡对前驱体进行预处理,进一步热分解,得到棒状的BaFe12O19纳米粉体。对前驱体进行了红外(IR)表征。利用热重(TG)技术和X射线粉末衍射(XRD)技术跟踪了前驱体的热分解过程并对所得产物的物相进行了确定。所得产物的形貌由透射电镜(TEM)给出。
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龚彩荣
薛刚
范国樑
远莹莹
关键词： 钡铁氧体   纳米粉体   合成     
Abstract： Using Fe(OH)(HCOO)_2 and Ba(CH_3COO)_2 as the raw material,citrate as the chelate,a homogeneous aqueous solution was obtained.The obtained solution was subjected to spray-drying process,and citrate complex containing Fe and Ba was obtained as the solid-state precursors.The BaFe_(12)O_(19) nanolamellas were prepared from a facile thermal pyrolysis of the solid-state precursors.At the same time,the obtained solid-state precursors were pretreated with paraffin,and then subjected to thermal decomposition to give BaFe_(12)O_(19) nanorods with minor nanolamellas.The solid-state precursors were characterized by IR.The development of the precursors to the products was studied by TG and XRD.Morphology observation of the fibers was given on TEM.
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Received 2007-07-15; published 2007-07-15
引用本文:   
龚彩荣;薛刚;范国樑;远莹莹;.BaFe_(12)O_(19)纳米粉体的制备与表征[J].  化学工业与工程, 2007,24(4): 299-303
GONG Cai-rong~1,XUE Gang~2,FAN Guo-liang~1,YUAN Ying-ying~1.Synthesis and Characterization of BaFe_(12)O_(19) Nanoparticles[J].  Chemcial Industry and Engineering, 2007,24(4): 299-303
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