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|Title:||Tailoring the growth of L10-FePt for spintronics applications|
High anisotropy constant
Perpendicular magnetic anisotropy
|Source:||Tahmasebi, T., Piramanayagam, S.N., Sbiaa, R., Tan, H.K., Law, R., Lua, S., Chong, T.C. (2011-12). Tailoring the growth of L10-FePt for spintronics applications. Physica Status Solidi - Rapid Research Letters 5 (12) : 426-428. ScholarBank@NUS Repository. https://doi.org/10.1002/pssr.201105379|
|Abstract:||The effect of seed layers on the magnetic and structural properties of FePt thin films was investigated. For the case of Cr(200) seed layer, no ordered L10-FePt phase in (001) orientation was observed. The insertion of a thin MgO barrier between the Cr and FePt layers improved the perpendicular magnetization orientation of L10-FePt by limiting diffusion of Cr into the FePt magnetic layer. Ordered L10-FePt thin films can be developed on Pd at high substrate temperature with the lattice mismatch of below 1% and therefore low roughness compared to MgO or Cr seed layers. (© 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim) Ordered L10-FePt with large magnetocrystalline anisotropy (Ku) and high saturation magnetization (Ms) enables potential scaling of spintronic devices down to 5 nm. FePt films need to be smooth and possess good (001) texture in order to achieve the desired properties for spintronics applications. This Letter focuses on tailoring of L10-FePt growth for such applications. The L10-FePt magnetic layers deposited on Pd seed layers exhibit large ordering parameter, smoothness and strong perpendicular magnetic anisotropy. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.|
|Source Title:||Physica Status Solidi - Rapid Research Letters|
|Appears in Collections:||Staff Publications|
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