Highly Field Sensitive (150 Oe) Quadri-Valued Magnetooptical Media for High-Speed Overwriting

Autor:	Hiroki Takao, Masafumi Yoshihiro, Katsusuke Shimazaki, Nobuyuki Nagai, Imai Susumu, Norio Ohta
Rok vydání:	1997
Předmět:	Magnetization Optics Field (physics) Modulation business.industry Chemistry Magnet General Engineering General Physics and Astronomy Critical magnetic field business Critical field
Zdroj:	Japanese Journal of Applied Physics. 36:414
ISSN:	1347-4065 0021-4922
DOI:	10.1143/jjap.36.414
Popis:	For high-density and high-speed magnetooptical (MO) recording, the use of magnetic multi-valued (MMV) MO media has been proposed. [rf:1] A quadri-valued recording has been achieved using this media and a field modulation recording method. For practical use of this media, it is important to reduce the critical magnetic field to minimize the applied field for realizing the quadri-valued recording. We have achieved reduction of the critical magnetic field down to 150 Oe using a new coupled film, TbFeCo/GdTbFeCo.
Databáze:	OpenAIRE
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