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We report a theoretical study on resonant x-ray emission spectra (RXES) inthe whole energy region of the Mn $L_{2,3}$ white lines for three prototypicalMn/Ag(001) systems: (i) a Mn impurity in Ag, (ii) an adsorbed Mn monolayer onAg, and (iii) a thick Mn film. The calculated RXES spectra depend strongly onthe excitation energy. At $L_3$ excitation, the spectra of all three systemsare dominated by the elastic peak. For excitation energies around $L_2$, andbetween $L_3$ and $L_2$, however, most of the spectral weight comes frominelastic x-ray scattering. The line shape of these inelastic ``satellite''structures changes considerably between the three considered Mn/Ag systems, afact that may be attributed to changes in the bonding nature of the Mn-$d$orbitals. The system-dependence of the RXES spectrum is thus found to be muchstronger than that of the corresponding absorption spectrum. Our resultssuggest that RXES in the Mn $L_{2,3}$ region may be used as a sensitive probeof the local environment of Mn atoms.Comment: 9 pages, 11 figure

Theoretical study of resonant x-ray emission spectroscopy of Mn films on Ag