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NCUEIR > College of Science > Department of Physics > Periodical Articles > Item 987654321/18567

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/18567

Title:	Field Evolution of Multivortex and Cross-tie States in Permalloy Thin Films
Authors:	Lai, Mei-Feng;Wei, Zung-Hang;Wu, Jong-Ching;Shieh, W. Z.;Chang, C. R.;Guo, J.
Contributors:	物理學系
Date:	2007
Issue Date:	2014-06-06T07:18:54Z
Publisher:	American Institute of Physics
Abstract:	Field evolution of vortex and cross-tie states is investigated by magnetic force microscopy imaging experimentally. We found that the vortices move perpendicular to the field direction. For the multivortex states, as the external field is perpendicular to the magnetization direction of the rhombic domain, which is enclosed by two neighboring vortices, the rhombic domain tilts. When the external field is parallel/antiparallel to the magnetization direction of the rhombic domain, this domain is extended/contracted. For the cross-tie state, the vortex and antivortex cores annihilate pair by pair in series when the field is applied along the short axis. When the magnetic field is applied along the long axis, the Bloch line moves along the short-axis direction till it, as a whole, annihilates near the edge of the elliptical thin film.
Relation:	Journal of Applied Physics, 101(9): 09N111
Appears in Collections:	[Department of Physics] Periodical Articles

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