The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.
First-principles investigation of the very large perpendicular magnetic anisotropy at Fe|MgO and Co|MgO interfaces
Open accessAbstract
The perpendicular magnetic anisotropy (PMA) arising at the interface between ferromagnetic transition metals and metallic oxides was investigated via first-principles calculations. In this work very large values of PMA, up to 3 erg/cm${}^{2}$, at Fe$|$MgO interfaces are reported, in agreement with recent experiments. The origin of PMA is attributed to overlap between O-${p}_{z}$ and transition metal ${d}_{{z}^{2}}$ orbitals hybridized with ${d}_{xz(yz)}$ orbitals with stronger spin-orbit coupling-induced splitting around the Fermi level for perpendicular magnetization orientation. Furthermore, it is shown that the PMA value weakens in the case of over- or underoxidation due to the fact that oxygen ${p}_{z}$ and transition metal ${d}_{{z}^{2}}$ orbital overlap is strongly affected by disorder, in agreement with experimental observations in magnetic tunnel junctions.
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Cited by
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Self-citation
Metadata
- Authors
- Yang, H. X., Chshiev, M., Dieny, B., Lee, J. H., Manchon, A., & Shin, K. H.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2011-08-01
- Volume
- 84
- Issue
- 5
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W2036868010
- Cited by
- 657
- References
- 13
- FWCI
- 13.55
- Type
- journal article
- Language
- en
- Open access
- bronze
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