Title :
Formation of magnetic cluster and remanence coercivity in granular-type perpendicular recording media
Author :
Shimatsu, T. ; Oikawa, T. ; Inaba, Y. ; Muraoka, H. ; Nakamura, Y.
Author_Institution :
Res. Inst. of Electr. Commun., Tohoku Univ., Sendai, Japan
fDate :
March 30 2003-April 3 2003
Abstract :
In this paper, magnetic cluster size D/sub cluster/ of perpendicular recording media was discussed relating to remanence coercivity by taking account of demagnetizing field magnetic cluster.
Keywords :
chromium alloys; cobalt alloys; coercive force; demagnetisation; discontinuous metallic thin films; ferromagnetic materials; magnetic thin films; metal clusters; perpendicular magnetic recording; platinum alloys; remanence; ruthenium; silicon compounds; CoCrPt-SiO/sub 2/-Ru; demagnetizing field magnetic cluster; granular-type perpendicular recording media; magnetic cluster size; remanence coercivity; Coercive force; Couplings; Demagnetization; Equations; Magnetic noise; Noise reduction; Perpendicular magnetic recording; Remanence; Saturation magnetization; Sputtering;
Conference_Titel :
Magnetics Conference, 2003. INTERMAG 2003. IEEE International
Conference_Location :
Boston, MA, USA
Print_ISBN :
0-7803-7647-1
DOI :
10.1109/INTMAG.2003.1230493
