磁性核壳Fe3O4/Ag纳米复合粒子的制备及性能（英文）

被引：9

作者：

章桥新 ^{[1
]}

杨丽宁 ^{[2
]}

张佳明 ^{[2
]}

官建国 ^{[2
]}

王一龙 ^{[2
]}

机构：

[1] 武汉理工大学机电工程学院

[2] 武汉理工大学材料复合新技术国家重点实验室

来源：

硅酸盐学报 | 2007年 / 08期

关键词：

磁性核壳; 四氧化三铁/银; 纳米复合粒子; 电磁性能;

D O I：

10.14062/j.issn.0454-5648.2007.08.018

中图分类号：

TB383.1 []; O611.4 [无机合成化学];

学科分类号：

070205 ; 080501 ; 1406 ; 070301 ; 081704 ;

摘要：

以硅烷偶联剂巯基丙基三甲氧基硅烷作为添加剂,甲醛作为还原剂,在Ag[(NH3)2]+溶液中制备出具有核壳结构的Fe3O4/Ag纳米复合粒子。用X射线衍射、场发射扫描电镜、差热分析、振动样品磁强计和Hall效应测试系统对样品进行了表征。结果表明:Fe3O4/Ag核壳复合粒子粒径为40～60nm,Ag壳层厚度为10～15nm,体积电阻率为7.7573×10-4Ω.cm,饱和磁化强度为26.37A.m2/kg。

引用

页码：987 / 990

页数：4

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