NDLI: Study of two-phase magnetization reversal in patterned cobalt thin film

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Study of two-phase magnetization reversal in patterned cobalt thin film

Content Provider	Scilit
Author	Hussain, Zaineb Reddy, V. Raghavendra Kumar, Dileep Ganesan, V. Dhamgaye, Vishal Khantwal, Nitin Gupta, Ajay
Copyright Year	2017
Description	Journal: Journal of Physics D: Applied Physics Magnetization reversal of a 5 μm wide and 10 μm grating periodic stripe-patterned cobalt thin film is investigated by Kerr microscopy. The patterned substrate and the cobalt thin film are prepared by standard UV-lithography and electron beam evaporation respectively. It is observed that magnetization reversal process strongly depends on the interplay between random magneto-crystalline anisotropy and shape-induced uniform uni-axial anisotropy. Domain wall motion is observed along easy magnetization axes (along length of stripe) while inhomogeneous rotation i.e. incoherent rotation is observed along hard magnetization axes (perpendicular to length of stripe). The angular dependence of coercivity (H$ _{C}$) is fitted by a two-phase model of magnetization reversal, which is corroborated with the magnetic domain images.
Related Links	http://iopscience.iop.org/article/10.1088/1361-6463/aa8524/ampdf http://iopscience.iop.org/article/10.1088/1361-6463/aa8524/pdf
ISSN	00223727
e-ISSN	13616463
DOI	10.1088/1361-6463/aa8524
Journal	Journal of Physics D: Applied Physics
Issue Number	42
Volume Number	50
Language	English
Publisher	IOP Publishing
Publisher Date	2017-09-25
Access Restriction	Open
Subject Keyword	Journal: Journal of Physics D: Applied Physics Condensed Matter Physics Magnetization Reversal Cobalt Thin
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Acoustics and Ultrasonics Condensed Matter Physics Electronic, Optical and Magnetic Materials

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