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Title: Magnetic properties of isolated FePt-C nanocomposited films
Authors: Jiang, C. 
Chen, J. 
Ju, G.
Chow, G. 
Keywords: FePt
Perpendicular magnetic recording
Well isolated grain
Issue Date: Jun-2010
Citation: Jiang, C., Chen, J., Ju, G., Chow, G. (2010-06). Magnetic properties of isolated FePt-C nanocomposited films. IEEE Transactions on Magnetics 46 (6) : 1914-1917. ScholarBank@NUS Repository.
Abstract: The microstructures and magnetic properties of FePtC films grown on MgO/CrRu/glass substrates under different sputtering parameters were systematically investigated. Increased temperature induced chemical ordering and the increase of coercivity. The microstructures of FePtC film showed a two-layer structure with a granular layer above a continuous underlying layer. With increasing sputtering pressure (PAr), the intensity of FePt (001) peak initially increased, and then decreased when PAr ≥ 20 mTorr. At 20 mTorr, Hc value increased to ∼9.5 kOe, and only one magnetic layer was observed with increase of PAr ∼ 50 mTorr. An increase of sputtering power at high pressures will further improve the magnetic isolation of FePt grains. © 2006 IEEE.
Source Title: IEEE Transactions on Magnetics
ISSN: 00189464
DOI: 10.1109/TMAG.2010.2042145
Appears in Collections:Staff Publications

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