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No.4(pp.115-181)

Home > Issues > Volume 13 (2008) > No.4(pp.115-181)

Suppression of Magnetization Ringing After Domain Wall Collision Studied by Micromagnetic Simulation

Journal of Magnetics, Volume 13, Number 4, 31 Dec 2008, Pages 120-123

Dede Djuhana(BK-21 Program and Department of Physics, Chungbuk National University), Hong-Guang Piao,(BK-21 Program and Department of Physics, Chungbuk National University), Sang-Hyuk Lee(BK-21 Program and Department of Physics, Chungbuk National University), Su-Hyeong Jun(BK-21 Program and Department of Physics, Chungbuk National University), Je-Ho Shim(BK-21 Program and Department of Physics, Chungbuk National University), Dong-Hyun Kim*

(BK-21 Program and Department of Physics, Chungbuk National University)

Abstract

Magnetization ringing following domain wall collision on a ferromagnetic nanowire has been investigated by micromagnetic simulation. Suppressed magnetization ringing is observed with the introduction of a small ribbon to the nanowire. Magnetization ringing has been analyzed in a frequency space by a fast Fourier transform. With the introduction of a small ribbon and/or taping of the wire, the amplitude of ringing is reduced with a shifted frequency peak.

Keywords: domain wall collision; magnetization ringing; magnetization switching

DOI: 10.4283/JMAG.2008.13.4.120

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