NDLI: Spatially-resolved magnetic imaging of magneto-optic recording

Content Provider	IEEE Xplore Digital Library
Author	Gomez, R.D. Kratz, A.R. Burke, E.R. Mayergoyz, I.D.
Copyright Year	1965
Abstract	The spatial evolution and eventual collapse of thermo-magnetically written marks on a conventional TbFeCo magneto-optic medium were imaged as functions of temperature in the presence of an external field. Magnetic force microscopy images with 100 nm scale resolution were obtained from the same area of the medium. The sequential imaging made it possible to observe the domain wall motions of individual marks. Our results indicate that, due to variations in local mechanical and magnetic properties of the medium, wall motion does not proceed uniformly in all directions, but is strongly enhanced in certain areas while impeded in others. These effects lead to formation of complex domain shapes prior to collapse. Quantitative parameters, such as the critical radius for domain collapse as well as domain wall widths, have also been measured.
Sponsorship	IEEE Magnetics Society
Starting Page	3265
Ending Page	3267
Page Count	3
File Size	894400
File Format	PDF
ISSN	00189464
Volume Number	31
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetooptic recording Magnetooptic effects Magnetic domain walls Temperature Magnetic forces Magnetic force microscopy Spatial resolution Image resolution Magnetic properties Impedance
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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