Anisotropic Spin-Orbit Coupling and Magnetocrystalline Anisotropy in Vicinal Co Films
Journal Article
·
· Physical Review Letters
The anisotropy of the spin-orbit interaction, <<{lambda}{sub a}> , in vicinal Co films has been measured using x-ray magnetic linear dichroism (XMLD). A linear increase in <{lambda}{sub a}> with Co step density is found using a new sum rule and represents the first experimental confirmation that XMLD probes the magnetocrystalline anisotropy energy (MAE). X-ray magnetic circular dichroism is used to confirm that the XMLD arises from changes in the local step-edge electronic structure. The XMLD sum rule gives a larger MAE compared to macroscopic values and is discussed with respect to other local probes of the MAE.
- Sponsoring Organization:
- (US)
- OSTI ID:
- 40277377
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 6 Vol. 87; ISSN 0031-9007
- Publisher:
- The American Physical Society
- Country of Publication:
- United States
- Language:
- English
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