E1 and E2 contributions to the L3 resonance line shape in antiferromagnetic holmium - Condensed Matter > Other Condensed MatterReportar como inadecuado




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Abstract: A detailed study of the angular, energy and polarization dependences of theelectric dipolar E1: 2p->5d and quadrupolar E2: 2p->4f contributions to thex-ray scattering cross-section is presented for holmium in its basal planespiral antiferromagnetic phase at the L3 edge. The corresponding E1 and E2scattering factors have been extracted from fits to the experimental energyline shapes taking into account for the first time a split dipole resonance.Using the imaginary part of the resonant scattering factors to retrieve theXMCD spectrum, we find qualitative agreement with the dichroic spectrummeasured in transmission through a holmium foil.



Autor: L Bouchenoire, A Mirone, S D Brown, P Strange, T Wood, P Thompson, D Fort, J Fernandez-Rodriguez

Fuente: https://arxiv.org/



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