Abstract

In CeRh3 and CeTRh3 compotmds, strong resonant effects are observed in the Ce 3d and 4d photoemission spectra at the Ce L3 and M4,5 absorption edges respectively. These resonm~ces show unambiguously that interference effects exist in core level spectroscopies. In the CeRh~ mixed valent compound, the resonances of photoenfission peaks corresponding to 4f °, 4t a and 4f 2 final state character occur at different photon energies, making it possible to mu'avel the X-ray absorption profiles. Moreover, resonant L31Vh,sN4.5 Rmnan Auger lines are observed up to 10 eV above the L3 absorption edge, showing the strong localized character of the core excited state.

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