Magnetic nanoparticle assembly arrays prepared by hierarchical self-assembly on a patterned surface

被引：20
|
作者：
Wen, Tianlong [1 ]
Zhang, Dainan [1 ,2 ]
Wen, Qiye [1 ]
Zhang, Huaiwu [1 ]
Liao, Yulong [1 ]
Li, Qiang [1 ]
Yang, Qinghui [1 ]
Bai, Feiming [1 ]
Zhong, Zhiyong [1 ]
机构：
[1] Univ Elect Sci & Technol China, State Key Lab Elect Thin Films & Integrated Devic, Chengdu 610054, Peoples R China
[2] Univ Delaware, Dept Elect & Comp Engn, Newark, DE 19716 USA
来源：
NANOSCALE | 2015年 / 7卷 / 11期
基金：
中国国家自然科学基金;
关键词：
COLLECTIVE BEHAVIOR; SUPERLATTICES; NANOCRYSTALS; MONOLAYER; COBALT; GROWTH; SCALE;
D O I：
10.1039/c4nr07489k
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Inverted pyramid hole arrays were fabricated by photolithography and used as templates to direct the growth of colloidal nanoparticle assemblies. Cobalt ferrite nanoparticles deposit in the holes to yield high quality pyramid magnetic nanoparticle assembly arrays by carefully controlling the evaporation of the carrier fluid. Magnetic measurements indicate that the pyramid magnetic nanoparticle assembly arrays preferentially magnetize perpendicular to the substrate.
引用
收藏
页码：4906 / 4911
页数：6
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