科研之友
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摘要
X-ray reflectivity near the absorption edges should take into account the anisotropy of X-ray susceptibility in the presence of magnetic interaction. In this paper different approaches used to calculate X-ray reflectivity have been considered. It has been shown that in the case of L-MOKE geometry at grazing angles calculations are radically simplified if performed in terms of the circular polarized eigen waves. We reveal that approximations, used by N. Ishimatsu et.al. (Phys. Rev. B 60, 9596 (1999)) for description of the eigen vectors of the radiation field, are applicable at grazing angles only. Approximate expressions for the integral propagation matrices, obtained by E. Kravtsov et.al. (Phys. Rev. B79, 1334438 (2009)), are valid for the whole angular range, however, they do not describe some effects in special cases (i.e. transversal magneto-optical Kerr-effect).
- 出版日期2010-11
