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Molecular dynamics simulation of Lorentz force microscopy in magnetic nano-disks
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10.1063/1.4803474
/content/aip/journal/apl/102/17/10.1063/1.4803474
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/17/10.1063/1.4803474
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic picture showing the regular arrangement of magnetic moments distributed in a disk of radius Rd and thickness Lz .

Image of FIG. 2.
FIG. 2.

(a) Magnetic simulated configuration of the disk of radius and with uniform magnetization. (b) Simulation result presenting an upper region brighter than the lower one as expected, if one considers the direction of the magnetic force. (c) Transverse line profile at the position x = 0.

Image of FIG. 3.
FIG. 3.

(a) Magnetic simulated configuration of a disk of radius and with a clockwise vortex. (b) Simulation result presenting a central darker region indicating that most of the electrons scatter far way from thevortex center. (c) Transverse profile at position x = 0 showing a dip of intensity around center of the vortex. (d) Magnetic simulated configuration of a disk of radius and with a counterclockwise vortex (e) Simulation result presenting a central brighter region indicating that the most number of electrons scatter to the center of the disk and vortex center. (f) Transverse profile at position x = 0 showing a higher intensity around center of the vortex.

Image of FIG. 4.
FIG. 4.

(a) Magnetic simulated configuration of a disk of radius and with a counterclockwise vortex out of the disk center. (b) Simulation result presenting a brighter region indicating that most of the electrons scatter to the vortex center.

Image of FIG. 5.
FIG. 5.

(a) Magnetic simulated configuration of a disk of radius and with a anti-vortex. (b) Simulation result and (c) transverse profile at position x = 0 indicating that the most number of electrons scatter to the anti-vortex center. (d) Magnetic simulated configuration of a disk of radius and with a anti-vortex. (e) Simulation result and (f) transverse profile at position x = 0 also indicating that the most number of electrons scatter to the anti-vortex center.

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/content/aip/journal/apl/102/17/10.1063/1.4803474
2013-05-02
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Molecular dynamics simulation of Lorentz force microscopy in magnetic nano-disks
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/17/10.1063/1.4803474
10.1063/1.4803474
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