TY - JOUR
T1 - Real-space observation of magnetic vortex core gyration in a magnetic disc both with and without a pair tag
AU - Yamaguchi, Akinobu
AU - Hata, Hiroshi
AU - Goto, Minori
AU - Kodama, Motoi
AU - Kasatani, Yuichi
AU - Sekiguchi, Koji
AU - Nozaki, Yukio
AU - Ohkochi, Takuo
AU - Kotsugi, Masato
AU - Kinoshita, Toyohiko
N1 - Funding Information:
This work was supported in part by MEXT Grants-in-Aid for Scientific Research on Priority Areas and in part by JSPS Grants-in-Aid for Scientific Research. The experiments at BL25SU in SPring-8 were performed with the approval and support of Japan Synchrotron Radiation Research Institute (JASRI, Proposal Nos. 2010B1709, 2011A1657, 2011B1713, and 2012A1646).
Publisher Copyright:
© 2016 The Japan Society of Applied Physics.
PY - 2016/2
Y1 - 2016/2
N2 - We demonstrate the time-resolved real-space observation of vortex gyration in a magnetic circular disc by X-ray magnetic circular dichroism photoemission microscopy at the SPring-8 beamline BL25SU, both with and without an additional structure called a pair tag, which serves to control the magnetic curling direction. By comparing the gyration orbits of the vortices, we found that the gyration properties are dependent on the presence of the additional structure in spite of the discs having the same diameter. Furthermore, we reproduced the vortex gyration by micromagnetic simulation. The confinement potential of the vortex can be controlled by the additional structure.
AB - We demonstrate the time-resolved real-space observation of vortex gyration in a magnetic circular disc by X-ray magnetic circular dichroism photoemission microscopy at the SPring-8 beamline BL25SU, both with and without an additional structure called a pair tag, which serves to control the magnetic curling direction. By comparing the gyration orbits of the vortices, we found that the gyration properties are dependent on the presence of the additional structure in spite of the discs having the same diameter. Furthermore, we reproduced the vortex gyration by micromagnetic simulation. The confinement potential of the vortex can be controlled by the additional structure.
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U2 - 10.7567/JJAP.55.023002
DO - 10.7567/JJAP.55.023002
M3 - Article
AN - SCOPUS:84961340537
SN - 0021-4922
VL - 55
JO - Japanese journal of applied physics
JF - Japanese journal of applied physics
IS - 2
M1 - 023002
ER -