Journal
IEEE TRANSACTIONS ON MAGNETICS
Volume 49, Issue 7, Pages 3269-3272Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2013.2243703
Keywords
Co ferrite; L1(0) ordered alloys; magneto-elastic coupling; perpendicular magnetic anisotropy
Funding
- Elements Science and Technology Projects of MEXT, Japan
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Considering the importance of magneto-elastic (ME) effects on the magnetic anisotropy (MA) of thin films, phenomenological analysis of the MA of Co ferrites on (001) and (111) substrates is conducted. It is found that thin films of Co ferrites on (111) substrates may produce oblique magnetization, while those on (001) substrates exhibit perpendicular MA. First-principles calculations for the ME constant of L1(0) ordered alloys, which show large uniaxial MA, are also performed, and it is determined that the value of the ME constant is on the same order of magnitude as that for the Co ferrites.
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