TY - JOUR
T1 - Numerical analysis of inductive detection of magnetic vortex motion excited with circularly polarized field
AU - Ya, Xiaorui
AU - Tanaka, Terumitsu
AU - Matsuyama, Kimihide
N1 - Publisher Copyright:
© 2016 The Japan Society of Applied Physics.
Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.
PY - 2016/7
Y1 - 2016/7
N2 - In the present study, the rotation and switching of a vortex core in submicron-size square dots were numerically analyzed by micromagnetic simulation. This study clarified that the eigenfrequency of the vortex core is strongly dependent on the magnetostatic energy and that rapid switching can be realized by circularly polarized fields with practical amplitudes at the corresponding eigenfrequency. The inductive detection of vortex core rotation, which can distinguish vortex core polarity, was successfully demonstrated and the structural design of the detector was optimized.
AB - In the present study, the rotation and switching of a vortex core in submicron-size square dots were numerically analyzed by micromagnetic simulation. This study clarified that the eigenfrequency of the vortex core is strongly dependent on the magnetostatic energy and that rapid switching can be realized by circularly polarized fields with practical amplitudes at the corresponding eigenfrequency. The inductive detection of vortex core rotation, which can distinguish vortex core polarity, was successfully demonstrated and the structural design of the detector was optimized.
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U2 - 10.7567/JJAP.55.07ME02
DO - 10.7567/JJAP.55.07ME02
M3 - Article
AN - SCOPUS:84979231585
VL - 55
JO - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes
JF - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes
SN - 0021-4922
IS - 7
M1 - 07ME02
ER -