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Magnetic Properties and Electronic Configurations of Mn Ions in the Diluted Magnetic Semiconductor Ba<sub>1−</sub><i><sub>x</sub></i>K<i><sub>x</sub></i>(Zn<sub>1−</sub><i><sub>y</sub></i>Mn<i><sub>y</sub></i>)<sub>2</sub>As<sub>2</sub> Studied by X-ray Magnetic Circular Dichroism and Resonant Inelastic X-ray Scattering
The magnetic properties and the electronic excitations of the new diluted magnetic semiconductor Ba$_{1-x}$K$_{x}$(Zn$_{1-y}$Mn$_{y}$)$_{2}$As$_{2}$ have been studied by x-ray magnetic circular dichroism (XMCD) and resonant inelastic x-ray scattering (RIXS) at the Mn $L_{2,3}$ edge. The sum rule analysis of the XMCD spectra yields the net spin moment of $0.45\mu_{\text{B}}$/Mn and …