Dhesi S S, Dürr H A, Münzenberg M, Felsch W
European Synchrotron Radiation Facility, BP 220, F-38043 Grenoble, France.
Phys Rev Lett. 2003 Mar 21;90(11):117204. doi: 10.1103/PhysRevLett.90.117204.
The interface magnetocrystalline anisotropy energy (MAE) in Fe/CeH(2) multilayers has been site and element-specifically isolated by combining soft x-ray resonant magnetic scattering (SXRMS) with soft x-ray standing waves. Using the different temperature evolutions of the Fe and Ce SXRMS contributions, following an in-plane to out-of-plane spin reorientation, the interface Fe 3d MAE and Ce 4f single-ion anisotropy have been separated. The results demonstrate that the transition metal interface MAE dominates the spin reorientation while the rare-earth contribution becomes significant only at much lower temperatures.
通过将软X射线共振磁散射（SXRMS）与软X射线驻波相结合，Fe/CeH₂多层膜中的界面磁晶各向异性能量（MAE）已按位点和元素特异性分离。利用Fe和Ce的SXRMS贡献在面内到面外自旋重取向之后的不同温度演变，界面Fe 3d MAE和Ce 4f单离子各向异性已被分离。结果表明，过渡金属界面MAE主导自旋重取向，而稀土元素的贡献仅在低得多的温度下才变得显著。
