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|Title:||High coercive L10 FePt-C (001) nanocomopsite films with small grain size for perpendicular recording media|
|Authors:||Chen, J.S. |
|Source:||Chen, J.S., Hu, J.F., Lim, B.C., Lim, Y.K., Liu, B., Chow, G.M., Ju, G. (2008). High coercive L10 FePt-C (001) nanocomopsite films with small grain size for perpendicular recording media. Journal of Applied Physics 103 (7) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.2833311|
|Abstract:||FePt-C films with various C concentrations were deposited on MgOCrRu /glass substrate by cosputtering FePt and C at 350 °C. The evolution of magnetic properties and microstructure of FePt-C films with the C concentration were investigated. All FePt films showed (001) preferred orientation regardless of C concentrations. With C doping, a two-layer structure of FePt-C films was formed. The FePt-C underlying layer epitaxially grown on MgO intermediate layer were L 10 FePt grains, while the FePt overlayer consisted of fcc FePt phase and L 10 FePt phase. The out-of-plane coercivity measured at room temperature increased from 10.2 to 19 kOe when C concentrations increased from 0% to 15%. Further increasing the C contents to 20% and 25% caused the decrease of coercivity to 17.2 and 14.8 kOe, respectively. © 2008 American Institute of Physics.|
|Source Title:||Journal of Applied Physics|
|Appears in Collections:||Staff Publications|
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