Magnetic force microscope contrast simulation for low-coercive ferromagnetic and superparamagnetic nanoparticles in an external magnetic field

被引：11

作者：

Mironov, Victor L. ^{[1
]}

Nikitushkin, Dmitry S.

Bins, Chris

Shubin, Andrey B.

Zhdan, Peter A.

机构：

[1] Inst Phys Microstruct RAS, Nizhnii Novgorod 603950, Russia

[2] Univ Leicester, Dept Phys & Astron, Leicester LE1 7RH, Leics, England

[3] Nanotechnol MDT Co, Zelenograd 124482, Russia

[4] Univ Surrey, Sch Engn, Surrey GU2 7XH, England

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2007年 / 43卷 / 11期

基金：

俄罗斯基础研究基金会;

关键词：

low-coercive magnetic nanoparticles; magnetic force microscopy; superparamagnetic particles;

D O I：

10.1109/TMAG.2007.903300

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：

We report the results of simulations of magnetic force microscope (MFM) contrast for low-coercive ferromagnetic and superparamagnetic nanoparticles. We show that two types of MFM contrast in the form of gaussian and ring distributions can be observed because of probe-particle interaction. We discuss stabilization of the magnetic moment of nanoparticles by an external magnetic field. We have calculated the values of stabilizing magnetic fields and their dependence on probe parameters and scanning heights.

引用

页码：3961 / 3963

页数：3

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