岂云开,顾建军,李子岳,刘力虎,孙会元

• 1:河北师范大学物理科学与信息工程学院
• 2:河北省新型薄膜材料重点实验室
• 3:河北民族师范学院

摘要(Abstract)：

利用电沉积及热硫化法制备了核/壳结构Fe/FeS2纳米线,研究了硫化过程对纳米线体系磁特性的影响。试验中,通过直流电沉积方法,可以在纳米孔洞高度有序排布的阳极氧化铝模板中制备Fe纳米线,之后部分溶去模板,再经450℃硫化处理,Fe纳米线表面可形成"毛刷"绒状物FeS2,从而形成核/壳结构Fe/FeS2纳米线。结果表明,随着高温硫化处理,Fe纳米线直径略有减小,且择优取向发生变化,并引起复合纳米线饱和磁化强度及矫顽力增强,主要认为是由于核/壳复合结构的形成引起纳米线体系静磁耦合作用降低所致。

关键词(KeyWords)： 核/壳结构;纳米线;电沉积;静磁相互作用;硫化处理

Abstract:

Keywords:

基金项目(Foundation): 河北省自然科学基金(A2009000254);; 河北师范大学博士基金(L2010B06);河北师范大学一般基金(L2009Y03)

作者(Author): 岂云开,顾建军,李子岳,刘力虎,孙会元

DOI: 10.13289/j.issn.1009-6264.2011.09.004

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