| EDTA络合溶胶-凝胶法制备Mn-Zn铁氧体 |
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| 引用本文： | 席国喜,刘玉民,戚世梅,路迈西.EDTA络合溶胶-凝胶法制备Mn-Zn铁氧体[J].硅酸盐通报,2009,28(1):194-199. |
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| 作者姓名： | 席国喜 刘玉民 戚世梅 路迈西 |
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| 作者单位： | 河南师范大学化学与环境科学学院河南省环境污染控制重点实验室,新乡,453007;中国矿业大学化学与环境工程学院,北京,100083;河南师范大学化学与环境科学学院河南省环境污染控制重点实验室,新乡,453007;中国矿业大学化学与环境工程学院,北京,100083 |
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| 摘 要： | 以铁、锰、锌的硝酸盐和氨羧络合剂乙二胺四乙酸二钠(EDTA)为原料,采用有机配合物络合溶胶-凝胶法成功制备出纳米晶锰锌铁氧体材料.用X-射线衍射仪(XRD)、差热重量分析仪(TG/DTA)、扫描电镜(SEM)和振动样品磁强计(VSM)对不同条件下所制备产品的晶型、晶貌及磁性能进行了表征.结果表明:EDTA络合溶胶-凝胶法能在pH=4,煅烧温度为773 K,煅烧时间为2 h条件下制备出结晶性良好、粒径在30 nm左右的纳米晶锰锌铁氧体;制备过程中添加分散剂乙二醇(EG)能够有效加速有机物分解,并能有效减轻晶粒间的团聚,使材料的矫顽力显著降低.
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| 关 键 词： | EDTA 络合溶胶-凝胶法 Mn-Zn铁氧体 |
Synthesis of Mn-Zn Ferrites by EDTA Chelating Sol-gel Rout |
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| XI Guo-xi,LIU Yu-min,QI Shi-mei,LU Mai-xi.Synthesis of Mn-Zn Ferrites by EDTA Chelating Sol-gel Rout[J].Bulletin of the Chinese Ceramic Society,2009,28(1):194-199. |
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| Authors: | XI Guo-xi LIU Yu-min QI Shi-mei LU Mai-xi |
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| Affiliation: | 1.The Key Laboratory for Environmental Pollution Control of Henan;College of Chemistry and Environment Science of Henan Normal University;Xinxiang 453007;China;2.Department of Chemical and Environmental Engineering;China University of Mining & Technology;Beijing 100083;China |
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| Abstract: | Nanosized Mn-Zn ferrites were successfully synthesized by organic chelating Sol-gel rout by using metal (Fe,Zn,Mn) nitrates and ethylene diamine tetraacetic acid disodium salt(EDTA) as raw materials.The crystalline phase,crystalline morphology and magnetic properties of the products synthesized from different conditions had been characterized by X-ray diffraction (XRD),thermo-gravimetric/differential thermal analyzer (TG/DTA),scanning electron microscopy (SEM) and vibrating sample magnetometer (VSM),respect... |
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| Keywords: | EDTA |
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