Bibliographic Details
| Title: |
Magnetic vortex dynamics on a picoseconds timescale in a hexagonal Permalloy pattern. |
| Authors: |
Je-Ho Shim1, Dong-Hyun Kim1 donghyun@cbnu.ac.kr, Mesler, Brooke2, Jung-Hwan Moon3, Kyung-Jin Lee3, Anderson, Erik4, Fischer, Peter4 |
| Source: |
Journal of Applied Physics. May2010, Vol. 107 Issue 9, p09D302-1-09D302-3. 3p. |
| Subject Terms: |
*FORCE & energy, *ANALYTICAL mechanics, *X-Ray expertising, *ELECTROMAGNETIC waves, *IONIZING radiation |
| Abstract: |
We observed a motion of magnetic vortex core in a hexagonal Permalloy pattern by means of soft x-ray microscopy. Pump-probe stroboscopic observation on a picosecond timescale has been carried out after exciting a ground state vortex structure by an external field pulse of 1 ns duration. Vortex core is excited off from the center position of the hexagonal pattern but the analysis of the core trajectory reveals that the motion is nongyrotropic. [ABSTRACT FROM AUTHOR] |
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| Database: |
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