Title :
Exchange Coupling in Hard Magnet-biased Antiferrimagnetically Coupled CoCrTa/Ru/CoTaZr Films
Author :
Jung, H. ; Velu, E. ; Malhotra, S. ; Kwon, U. ; Bertero, G.
Author_Institution :
Komag lnc., San Jose
Abstract :
In this paper, we investigate the reasons why HB SUL had a higher dc erase noise at a thinner CoTaZr and the effect of external fields on magnetic switching of CoCrTa grains and exchange coupling.
Keywords :
chromium alloys; cobalt alloys; magnetic recording noise; magnetic switching; magnetic thin films; permanent magnets; ruthenium; tantalum alloys; zirconium alloys; CoCrTaRuCoTaZr; antiferrimagnetic coupling; dc erase noise; exchange coupling; hard magnetic films; magnetic switching; Amorphous magnetic materials; Couplings; Magnetic anisotropy; Magnetic domains; Magnetic films; Magnetic materials; Magnetic switching; Perpendicular magnetic anisotropy; Saturation magnetization; Soft magnetic materials;
Conference_Titel :
Magnetics Conference, 2006. INTERMAG 2006. IEEE International
Conference_Location :
San Diego, CA
Print_ISBN :
1-4244-1479-2
DOI :
10.1109/INTMAG.2006.374902
