NDLI: Domains and domain-wall motion in grain-oriented 50-percent Ni-Fe tapes

Content Provider	IEEE Xplore Digital Library
Author	Konishi, S. Hara, S. Sugatani, S. Sakurai, Y.
Copyright Year	1965
Abstract	Domains and domain-wall motion in grain-oriented 50-percent Ni-Fe tapes were studied using a Kerr magnetooptical apparatus. The domain walls were quite straight under a slowly increasing field, and the nucleation of a reversed domain always occurred at either or both sides of the tapes. The 90° walls, such as those observed in a single crystal, often appeared even in the samples which were not strained to conserve the magnetization continuity. Under pulse fields the nucleation sites of reversed domains were distributed on the tape surface, and many isolated small domains appeared. It was found, however, that the domain configurations under the successive pulse field drive of much shorter length were similar to those under a slowly increasing field. Domain-wall velocities were measured for the samples of the thickness range from 25 μm to 81 μm, keeping the distance of wall displacement nearly constant by setting properly the pulse field amplitude and length. The measured dependence of the velocity on pulse field amplitude was not linear, and the mobilities increased with increasing field amplitude. This is discussed from the dynamic behavior of domain walls in tapes.
Sponsorship	IEEE Magnetics Society
Starting Page	105
Ending Page	110
Page Count	6
File Size	769293
File Format	PDF
ISSN	00189464
Volume Number	6
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1970-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pulse measurements Magnetic field measurement Soft magnetic materials Velocity measurement Magnetic materials Kerr effect Optical materials Magnetic domain walls Magnetic domains Optical films
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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