TY - JOUR
T1 - Intermediate layer thickness dependence on switching field distribution in perpendicular recording media
AU - Sbiaa, R.
AU - Gandhi, R.
AU - Srinivasan, K.
AU - Piramanayagam, S. N.
AU - Seoh, R. M.
PY - 2009/9
Y1 - 2009/9
N2 - The effect of intermediate layer (IL) thickness on crystallographic texture and magnetic properties of CoCrPtSiO2 granular perpendicular recording media was investigated with switching field distribution (SFD) as the focus. Even though the c-axis orientation of the Co-based recording layer (RL) broadens with the reduction of IL thickness, the SFD becomes narrower. This result demonstrates that the intrinsic SFD is not directly dependent on c-axis orientation of the recording layer but instead dependent on the magnitude of exchange coupling. It is thus possible to have a medium with thin IL and narrow SFD. This is desirable for bit-patterned media (BPM), where highly exchange-coupled grains are required.
AB - The effect of intermediate layer (IL) thickness on crystallographic texture and magnetic properties of CoCrPtSiO2 granular perpendicular recording media was investigated with switching field distribution (SFD) as the focus. Even though the c-axis orientation of the Co-based recording layer (RL) broadens with the reduction of IL thickness, the SFD becomes narrower. This result demonstrates that the intrinsic SFD is not directly dependent on c-axis orientation of the recording layer but instead dependent on the magnitude of exchange coupling. It is thus possible to have a medium with thin IL and narrow SFD. This is desirable for bit-patterned media (BPM), where highly exchange-coupled grains are required.
KW - Intermediate layer
KW - Perpendicular recording media
KW - Switching field distribution
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U2 - 10.1016/j.jmmm.2009.03.082
DO - 10.1016/j.jmmm.2009.03.082
M3 - Article
AN - SCOPUS:65749083330
SN - 0304-8853
VL - 321
SP - 2682
EP - 2684
JO - Journal of Magnetism and Magnetic Materials
JF - Journal of Magnetism and Magnetic Materials
IS - 17
ER -