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|Title:||Two-step temperature deposited FePt bilayer for tunable magnetic properties||Authors:||Dutta, Tanmay
Saifullah, M. S. M.
Piramanayagam, Seidikkurippu Nellainayagam
Bhatia, C. S.
|Issue Date:||2015||Source:||Dutta, T., Kundu, S., Saifullah, M. S. M., Yang, H., Piramanayagam, S. N., & Bhatia, C. S. (2015). Two-step temperature deposited FePt bilayer for tunable magnetic properties. Journal of Physics D: Applied Physics, 48, 445007-.||Series/Report no.:||Journal of Physics D: Applied Physics||Abstract:||Tuning the magnetic properties of FePt media is of great interest in the bid to achieve high areal densities. In this work, we demonstrate that properties of FePt media can be tuned using a two-step temperature deposited FePt bilayer. In this bilayer scheme, the first layer of FePt was deposited at a high nominal temperature (600 °C), whilst the second layer was deposited at a lower temperature over the first layer. This resulted in tunable magnetic and improved topographical properties, and was due to the interplay of a number of temperature-dependent factors such as epitaxial growth, new grain nucleation, surface mobility, and difference in the thermal expansion coefficients. Transmission electron microscopy imaging was used to understand the growth dynamics of the second FePt layer in the two-step temperature deposited structures.||URI:||https://hdl.handle.net/10356/104414
|DOI:||10.1088/0022-3727/48/44/445007||Rights:||© 2015 IOP Publishing Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by Journal of Physics D: Applied Physics, IOP Publishing Ltd. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1088/0022-3727/48/44/445007].||Fulltext Permission:||open||Fulltext Availability:||With Fulltext|
|Appears in Collections:||SPMS Journal Articles|
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