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標題: The effect of GePt underlayer on L1(0) ordering FePt thin films
作者: Hsu, C.J.
Tsai, J.L.
Hsu, C.W.
Chen, S.K.
Chang, W.C.
關鍵字: coercivity;L1(0) ordered FePt;magnetic-properties;iron-platinum;microstructure;temperature;alloy
Project: Ieee Transactions on Magnetics
期刊/報告no:: Ieee Transactions on Magnetics, Volume 42, Issue 10, Page(s) 2900-2902.
We have explored the effect of GePt underlayer deposition temperature on L1(0) ordered FePt films. As the deposition temperature of GePt increased from room temperature (RT) to 800 degrees C, the coercively (H-c) of the (GePt/FePt) bilayer increased from 1.1 to 9.1 kOe, which indicated the Ge2Pt3 phase formed at higher deposition temperature and promoted the L1(0) ordered FePt phase formation. Under the similar process, the single layer FePt coercively was 6.9 kOe. The interlayer diffusion between GePt and FePt cannot be avoided when the GePt underlayer deposited at RT. An interesting island-like microstructure was observed when GePt underlayer deposited at higher temperature.
ISSN: 0018-9464
DOI: 10.1109/tmag.2006.879965
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