Abstract
The electronic structure of copper and nickel in the oxidation state +III was studied for La2 Li½ Cu½ O4 , Cs2 KCuF6 ,
and Nd2 Li½ Ni½ O4 by X-ray absorption near-edge structure (XANES) spectroscopy at the L2,3 -thresholds of Cu and Ni
as well as the K-thresholds of O and F.
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