Magnetic properties of large-area particle arrays fabricated using block copolymer lithography

被引：33
|
作者：
Cheng, JY [1 ]
Ross, CA
Thomas, EL
Smith, HI
Lammertink, RGH
Vancso, GJ
机构：
[1] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA
[2] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA
[3] Univ Twente, Dept Mat Sci & Technol Polymers, MESA Res Inst, NL-7500 AE Enschede, Netherlands
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2002年 / 38卷 / 05期
基金：
美国国家科学基金会;
关键词：
activation volume; block copolymer lithography; cobalt nanoparticles; self-assembly;
D O I：
10.1109/TMAG.2002.801926
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
50-nm period arrays of Co particles with widths of 35 nm and heights of 5-20 nm have been made using a self-assembled block copolymer lithography. The magnetic particles have in-plane anisotropy due to their shape, and show thermally activated reversal with an activation volume larger than their physical volume, which is attributed to magnetic interactions between the particles.
引用
收藏
页码：2541 / 2543
页数：3
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