Temperature dependent Eu 3d-4f X-ray Absorption and Resonant Photoemission Study of the Valence Transition in $EuN{i}_2(S{i}_{0.2}G{e}_{0.8}{)}_2$

K. Yamamoto, K. Horiba, M. Taguchi +10

We study the mixed valence transition ($T$${}_v$ $\sim$80 K) in EuNi${}_2$(Si${}_{0.2}$Ge${}_{0.8}$)${}_2$ using Eu 3$d-4f$ X-ray absorption spectroscopy (XAS) and resonant photoemissi…