Anisotropic x-ray magnetic linear dichroism at the FeL2,3edges inFe3O4

Controlling the electronic structure of Co1−xFe2+xOMoyer1, Vaz2, Negusse3 et al. 2011Phys. Rev. B8917740View full textAdd to dashboardCite

“…values ranging from 10Dq = 1.2 -1.6 for octahedral cations and -0.6 eV for tetrahedral sites. 60,61,63 The Fe 3+ octahedral cation has strong transitions which correspond to the low energy L 3 and main L 3 peaks; the L 2 peak contains two peaks, which roughly correspond in energy to the two measured L 2 peaks. The spectrum for the Fe 3+ tetrahedral cation is similar to that of the Fe 3+ octahedral cation, except that it does not have any transitions corresponding to the low energy L 3 peak.…”

Competing interactions in ferromagnetic/antiferromagnetic perovskite superlattices

“…Therefore, we employ the analysis of XMLD spectra as described in Ref. [27], which indicates an in-plane alignment of MFe in the superlattices and conversely an out-of-plane canting for the solid solution and LSFO films. These equally-strained solid solution and LSFO films are used as ions.…”

Angle-DependentNi2+X-Ray Magnetic Linear Dichroism: Interfacial Coupling Revisited

“…Both these "fundamental spectra" are needed for a correct description of the angular dependence in cubic crystal field [21]. Figure 1(b) shows the modeled angular dependence using Eq.…”

“…The calculations show that the angular dependence of the XMLD signal disappears when the crystal field splitting goes to zero. Therefore, the anisotropic XMLD is a property of the cubic wavefunctions for the d states with respect to the spin quantization axis and not of the anisotropic spin-orbit interaction [21].…”

“…E makes an angle ε relative to the [100] crystal axis. The XMLD is the difference between XA spectra with H at angles µ and µ + 90 • to the [100] direction, i.e., Expressions for the angular dependence of the XMLD can be obtained from symmetry considerations [21] and it was shown that terms of higher order than cos 4φ can be ignored.…”