Resonant Soft X-ray Scattering Studies of Multiferroic YMn2O5.

摘要

We performed soft x-ray resonant scattering at the MnL2,3- and OK edges of YMn2O5. While the resonant intensity at the MnL2,3 edges represent the magnetic order parameter, the resonant scattering at the OK edge is found to be directly related to the macroscopic ferroelectric polarization. The latter observation reveals the important role of the spin-dependent Mn-O hybridization for the multiferroicity of YMn2O5. We present details about how to obtain correct energy dependent lineshapes and discuss the origin of the resonant intensity at the OK edge.