Successful suppression of magnetization precession after short field pulses

Autor(en): Bauer, M
Lopusnik, R
Fassbender, J
Hillebrands, B
Dotsch, H
Stichwörter: DYNAMICS; Engineering; Engineering, Electrical & Electronic; FILMS; magnetic recording; magnetization dynamics; PERMALLOY; Physics; Physics, Applied; RELAXATION; SCANNING KERR MICROSCOPY; short field pulses; time resolved magnetometry
Erscheinungsdatum: 2000
Herausgeber: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Journal: IEEE TRANSACTIONS ON MAGNETICS
Volumen: 36
Ausgabe: 5, 1
Startseite: 2764
Seitenende: 2766
Zusammenfassung: 
For the next generation of high data rate magnetic recording above 1 Gbit/s, a better understanding of the switching processes for both recording heads and media will be required. In order to maximize the switching speed for such devices, the magnetization precession after the magnetic field pulse termination needs to be suppressed to a maximum degree. It is demonstrated experimentally for ferrite films that the appropriate adjustment of the field pulse parameters and/or the static applied field may lead to a full suppression of the magnetization precession immediately upon termination of the held pulse, The suppression is explained by taking into account the actual direction of the magnetization with respect to the static held direction at the pulse termination.
Beschreibung: 
International Magnetics Conference (INTERMAG 2000), TORONTO, CANADA, APR 09-12, 2000
ISSN: 00189464
DOI: 10.1109/20.908583

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