CoCrTaPt/CoCrTa/NiFe triple-layered perpendicular media

The magnetic properties and recording characteristics of CoCrTaPt/NiFe double-layered perpendicular media have been investigated. Thin CoCrTaPt layered media have high coercivity and good recording performances. CoCrTaPt/CoCrTa/NiFe triple-layered media have higher coercivity than CoCrTa and CoCrTaP...

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Veröffentlicht in:	Journal of the Magnetics Society of Japan 1993, Vol.17(S_2_PMRS_93), pp.S2_46-50
Hauptverfasser:	Yoshino, Ryouetsu, Nagaoka, Toru, Yamanaka, Tatsuo, Terasaki, Ryuichi
Format:	Artikel
Sprache:	eng ; jpn
Schlagworte:	CoCrTaPt/CoCrTa/NiFe triple-layered media CoCrTaPt/NiFe double-layered media Intergranular exchange coupling Media noise
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Beschreibung
Zusammenfassung:	The magnetic properties and recording characteristics of CoCrTaPt/NiFe double-layered perpendicular media have been investigated. Thin CoCrTaPt layered media have high coercivity and good recording performances. CoCrTaPt/CoCrTa/NiFe triple-layered media have higher coercivity than CoCrTa and CoCrTaPt/NiFe media. But the output and media noise of triple-layered media are lower than these of CoCrTaPt/NiFe media. The microstructure invistigations of these media suggest that recording performance might be explained on the basis of intergranular exchange coupling theory.
ISSN:	0285-0192 1880-4004
DOI:	10.3379/jmsjmag.17.S2_46