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arXiv · 1407.0714

Inelastic X-ray scattering from valence electrons near absorption edges of FeTe and TiSe$_2$

B. Barbiellini·J. N. Hancock·C. Monney·Y. Joly·G. Ghiringhelli·L. Braicovich·T. Schmitt
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Abstract

We study resonant inelastic x-ray scattering (RIXS) peaks corresponding to low energy particle-hole excited states of metallic FeTe and semi-metallic TiSe$_2$ for photon incident energy tuned near the $L_{3}$ absorption edge of Fe and Ti respectively. We show that the cross section amplitudes are well described within a renormalization group theory where the effect of the core electrons is captured by effective dielectric functions expressed in terms of the the atomic scattering parameters $f_1$ of Fe and Ti. This method can be used to extract the dynamical structure factor from experimental RIXS spectra in metallic systems.

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B. Barbiellini, J. N. Hancock, C. Monney, Y. Joly, G. Ghiringhelli, L. Braicovich, T. Schmitt. 2014-07-02. Inelastic X-ray scattering from valence electrons near absorption edges of FeTe and TiSe$_2$. https://doi.org/10.1103/physrevb.89.235138

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