Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.3074133
Title: Grain isolated L 10 FePt- Ta2 O5 nanocomposite films with large coercivity for perpendicular recording applications
Authors: Lim, B.C.
Chen, J.S. 
Hu, J.F.
Lwin, P.W.
Ding, Y.F.
Cher, K.M.
Liu, B.
Issue Date: 2009
Source: Lim, B.C., Chen, J.S., Hu, J.F., Lwin, P.W., Ding, Y.F., Cher, K.M., Liu, B. (2009). Grain isolated L 10 FePt- Ta2 O5 nanocomposite films with large coercivity for perpendicular recording applications. Journal of Applied Physics 105 (7) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3074133
Abstract: L 10 FePt- Ta2 O5 films with (001) texture were synthesized by cosputtering FePt and Ta2 O5 targets and in situ heated at 350 °C. The (001) preferred orientation was preserved even when doped with 20 vol % Ta2 O5. The out-of-plane coercivity, Hc, increased from 6.7 kOe (for pure FePt film) to 8.8 kOe when doped with 20 vol % Ta2 O5. Further increase in the dopant content to 25 and 30 vol % caused Hc to decrease significantly to below 3 kOe. Well-isolated FePt grains of tall column structures were observed for the 12 nm thick FePt film when doped with 20 vol %. The loop slope parameter, α, of such FePt film approached 1. © 2009 American Institute of Physics.
Source Title: Journal of Applied Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/64897
ISSN: 00218979
DOI: 10.1063/1.3074133
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