Journal
IEEE TRANSACTIONS ON MAGNETICS
Volume 46, Issue 6, Pages 1886-1889Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2009.2039923
Keywords
Magnetic domains; perpendicular magnetic anisotropy (PMA); perpendicular magnetic recording; thin films
Funding
- Virginia Space Grant Consortium
- National Science Foundation [DMR-0355171]
- Research Corporation
- American Chemical Society [PRF-41319-AC10]
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L1(0) order was optimized in FePd epitaxial thin films prepared using dc magnetron sputter deposition on MgO(001) substrates by investigating various growth temperatures. A series of films was grown at the optimal temperature with varying thickness and degree of chemical order to investigate the interplay between the microstructure, magnetic anisotropy, and magnetic domain structure. The experimentally measured magnetic domain size/period and magnetic anisotropy in this high perpendicular anisotropy system were found to be correlated following the analytical energy model proposed by Kooy and Enz that considers a delicate balance between the domain wall energy and the demagnetizing stray field energy.
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